Home / 207,003.61-285,666.56-115,124.18

Finding the Fourth Proportional to 207,003.61, 285,666.56 and 115,124.18

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Solution

The fourth proportional to 207,003.61, 285,666.56 and 115,124.18 is: 158,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,003.61 : 285,666.56 = 115,124.18 : x
  2. Step 2: Convert to fraction form
    207,003.61/285,666.56 = 115,124.18/x
  3. Step 3: Cross multiply
    207,003.61x = 285,666.56 × 115,124.18
  4. Step 4: Simplify right side
    207,003.61x = 32,887,128,473.42
  5. Step 5: Solve for x
    x = 32,887,128,473.42/207,003.61
  6. Step 6: Final answer
    x = 158,872.25

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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.