Home / 141,817.29-195,711.96-78,159.18

Finding the Fourth Proportional to 141,817.29, 195,711.96 and 78,159.18

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Solution

The fourth proportional to 141,817.29, 195,711.96 and 78,159.18 is: 107,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,817.29 : 195,711.96 = 78,159.18 : x
  2. Step 2: Convert to fraction form
    141,817.29/195,711.96 = 78,159.18/x
  3. Step 3: Cross multiply
    141,817.29x = 195,711.96 × 78,159.18
  4. Step 4: Simplify right side
    141,817.29x = 15,296,686,309.79
  5. Step 5: Solve for x
    x = 15,296,686,309.79/141,817.29
  6. Step 6: Final answer
    x = 107,861.93

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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.