Home / 141,524.72-195,304.11-77,861.15

Finding the Fourth Proportional to 141,524.72, 195,304.11 and 77,861.15

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Solution

The fourth proportional to 141,524.72, 195,304.11 and 77,861.15 is: 107,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,524.72 : 195,304.11 = 77,861.15 : x
  2. Step 2: Convert to fraction form
    141,524.72/195,304.11 = 77,861.15/x
  3. Step 3: Cross multiply
    141,524.72x = 195,304.11 × 77,861.15
  4. Step 4: Simplify right side
    141,524.72x = 15,206,602,506.19
  5. Step 5: Solve for x
    x = 15,206,602,506.19/141,524.72
  6. Step 6: Final answer
    x = 107,448.39

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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.