Home / 112,486.08-155,233.92-62,188.32

Finding the Fourth Proportional to 112,486.08, 155,233.92 and 62,188.32

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Solution

The fourth proportional to 112,486.08, 155,233.92 and 62,188.32 is: 85,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,486.08 : 155,233.92 = 62,188.32 : x
  2. Step 2: Convert to fraction form
    112,486.08/155,233.92 = 62,188.32/x
  3. Step 3: Cross multiply
    112,486.08x = 155,233.92 × 62,188.32
  4. Step 4: Simplify right side
    112,486.08x = 9,653,736,691.81
  5. Step 5: Solve for x
    x = 9,653,736,691.81/112,486.08
  6. Step 6: Final answer
    x = 85,821.61

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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.