Home / 141,568.60-195,359.70-77,904.76

Finding the Fourth Proportional to 141,568.60, 195,359.70 and 77,904.76

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Solution

The fourth proportional to 141,568.60, 195,359.70 and 77,904.76 is: 107,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,568.60 : 195,359.70 = 77,904.76 : x
  2. Step 2: Convert to fraction form
    141,568.60/195,359.70 = 77,904.76/x
  3. Step 3: Cross multiply
    141,568.60x = 195,359.70 × 77,904.76
  4. Step 4: Simplify right side
    141,568.60x = 15,219,450,542.17
  5. Step 5: Solve for x
    x = 15,219,450,542.17/141,568.60
  6. Step 6: Final answer
    x = 107,505.83

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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.