Home / 109,134.20-163,614.90-59,886.20

Finding the Fourth Proportional to 109,134.20, 163,614.90 and 59,886.20

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Solution

The fourth proportional to 109,134.20, 163,614.90 and 59,886.20 is: 89,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,134.20 : 163,614.90 = 59,886.20 : x
  2. Step 2: Convert to fraction form
    109,134.20/163,614.90 = 59,886.20/x
  3. Step 3: Cross multiply
    109,134.20x = 163,614.90 × 59,886.20
  4. Step 4: Simplify right side
    109,134.20x = 9,798,274,624.38
  5. Step 5: Solve for x
    x = 9,798,274,624.38/109,134.20
  6. Step 6: Final answer
    x = 89,781.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.