Home / 112,417.22-155,134.41-62,115.14

Finding the Fourth Proportional to 112,417.22, 155,134.41 and 62,115.14

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Solution

The fourth proportional to 112,417.22, 155,134.41 and 62,115.14 is: 85,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,417.22 : 155,134.41 = 62,115.14 : x
  2. Step 2: Convert to fraction form
    112,417.22/155,134.41 = 62,115.14/x
  3. Step 3: Cross multiply
    112,417.22x = 155,134.41 × 62,115.14
  4. Step 4: Simplify right side
    112,417.22x = 9,636,195,595.97
  5. Step 5: Solve for x
    x = 9,636,195,595.97/112,417.22
  6. Step 6: Final answer
    x = 85,718.15

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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.