Home / 369,761.05-510,270.24-199,995.18

Finding the Fourth Proportional to 369,761.05, 510,270.24 and 199,995.18

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Solution

The fourth proportional to 369,761.05, 510,270.24 and 199,995.18 is: 275,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,761.05 : 510,270.24 = 199,995.18 : x
  2. Step 2: Convert to fraction form
    369,761.05/510,270.24 = 199,995.18/x
  3. Step 3: Cross multiply
    369,761.05x = 510,270.24 × 199,995.18
  4. Step 4: Simplify right side
    369,761.05x = 102,051,588,497.44
  5. Step 5: Solve for x
    x = 102,051,588,497.44/369,761.05
  6. Step 6: Final answer
    x = 275,993.34

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.