Home / 141,997.96-195,956.26-77,470.76

Finding the Fourth Proportional to 141,997.96, 195,956.26 and 77,470.76

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Solution

The fourth proportional to 141,997.96, 195,956.26 and 77,470.76 is: 106,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,997.96 : 195,956.26 = 77,470.76 : x
  2. Step 2: Convert to fraction form
    141,997.96/195,956.26 = 77,470.76/x
  3. Step 3: Cross multiply
    141,997.96x = 195,956.26 × 77,470.76
  4. Step 4: Simplify right side
    141,997.96x = 15,180,880,388.96
  5. Step 5: Solve for x
    x = 15,180,880,388.96/141,997.96
  6. Step 6: Final answer
    x = 106,909.14

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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.