Home / 141,538.38-195,325.94-77,876.30

Finding the Fourth Proportional to 141,538.38, 195,325.94 and 77,876.30

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Solution

The fourth proportional to 141,538.38, 195,325.94 and 77,876.30 is: 107,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,538.38 : 195,325.94 = 77,876.30 : x
  2. Step 2: Convert to fraction form
    141,538.38/195,325.94 = 77,876.30/x
  3. Step 3: Cross multiply
    141,538.38x = 195,325.94 × 77,876.30
  4. Step 4: Simplify right side
    141,538.38x = 15,211,261,501.22
  5. Step 5: Solve for x
    x = 15,211,261,501.22/141,538.38
  6. Step 6: Final answer
    x = 107,470.93

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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.