Home / 109,966.16-151,753.32-62,218.56

Finding the Fourth Proportional to 109,966.16, 151,753.32 and 62,218.56

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Solution

The fourth proportional to 109,966.16, 151,753.32 and 62,218.56 is: 85,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,966.16 : 151,753.32 = 62,218.56 : x
  2. Step 2: Convert to fraction form
    109,966.16/151,753.32 = 62,218.56/x
  3. Step 3: Cross multiply
    109,966.16x = 151,753.32 × 62,218.56
  4. Step 4: Simplify right side
    109,966.16x = 9,441,873,045.62
  5. Step 5: Solve for x
    x = 9,441,873,045.62/109,966.16
  6. Step 6: Final answer
    x = 85,861.62

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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.