Home / 215,515.71-297,411.57-124,924.17

Finding the Fourth Proportional to 215,515.71, 297,411.57 and 124,924.17

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Solution

The fourth proportional to 215,515.71, 297,411.57 and 124,924.17 is: 172,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,515.71 : 297,411.57 = 124,924.17 : x
  2. Step 2: Convert to fraction form
    215,515.71/297,411.57 = 124,924.17/x
  3. Step 3: Cross multiply
    215,515.71x = 297,411.57 × 124,924.17
  4. Step 4: Simplify right side
    215,515.71x = 37,153,894,997.29
  5. Step 5: Solve for x
    x = 37,153,894,997.29/215,515.71
  6. Step 6: Final answer
    x = 172,395.30

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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.