Home / 351,621.52-485,238.98-190,476.18

Finding the Fourth Proportional to 351,621.52, 485,238.98 and 190,476.18

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Solution

The fourth proportional to 351,621.52, 485,238.98 and 190,476.18 is: 262,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,621.52 : 485,238.98 = 190,476.18 : x
  2. Step 2: Convert to fraction form
    351,621.52/485,238.98 = 190,476.18/x
  3. Step 3: Cross multiply
    351,621.52x = 485,238.98 × 190,476.18
  4. Step 4: Simplify right side
    351,621.52x = 92,426,467,773.69
  5. Step 5: Solve for x
    x = 92,426,467,773.69/351,621.52
  6. Step 6: Final answer
    x = 262,857.83

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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.