Home / 141,472.96-195,226.62-77,806.64

Finding the Fourth Proportional to 141,472.96, 195,226.62 and 77,806.64

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Solution

The fourth proportional to 141,472.96, 195,226.62 and 77,806.64 is: 107,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,472.96 : 195,226.62 = 77,806.64 : x
  2. Step 2: Convert to fraction form
    141,472.96/195,226.62 = 77,806.64/x
  3. Step 3: Cross multiply
    141,472.96x = 195,226.62 × 77,806.64
  4. Step 4: Simplify right side
    141,472.96x = 15,189,927,340.76
  5. Step 5: Solve for x
    x = 15,189,927,340.76/141,472.96
  6. Step 6: Final answer
    x = 107,369.83

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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.