Home / 141,631.92-195,444.54-77,957.46

Finding the Fourth Proportional to 141,631.92, 195,444.54 and 77,957.46

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Solution

The fourth proportional to 141,631.92, 195,444.54 and 77,957.46 is: 107,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,631.92 : 195,444.54 = 77,957.46 : x
  2. Step 2: Convert to fraction form
    141,631.92/195,444.54 = 77,957.46/x
  3. Step 3: Cross multiply
    141,631.92x = 195,444.54 × 77,957.46
  4. Step 4: Simplify right side
    141,631.92x = 15,236,359,909.27
  5. Step 5: Solve for x
    x = 15,236,359,909.27/141,631.92
  6. Step 6: Final answer
    x = 107,577.16

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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.