Home / 141,812.60-195,697.50-77,280.44

Finding the Fourth Proportional to 141,812.60, 195,697.50 and 77,280.44

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Solution

The fourth proportional to 141,812.60, 195,697.50 and 77,280.44 is: 106,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,812.60 : 195,697.50 = 77,280.44 : x
  2. Step 2: Convert to fraction form
    141,812.60/195,697.50 = 77,280.44/x
  3. Step 3: Cross multiply
    141,812.60x = 195,697.50 × 77,280.44
  4. Step 4: Simplify right side
    141,812.60x = 15,123,588,906.90
  5. Step 5: Solve for x
    x = 15,123,588,906.90/141,812.60
  6. Step 6: Final answer
    x = 106,644.89

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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.