Home / 141,535.34-195,318.77-77,873.13

Finding the Fourth Proportional to 141,535.34, 195,318.77 and 77,873.13

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Solution

The fourth proportional to 141,535.34, 195,318.77 and 77,873.13 is: 107,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,535.34 : 195,318.77 = 77,873.13 : x
  2. Step 2: Convert to fraction form
    141,535.34/195,318.77 = 77,873.13/x
  3. Step 3: Cross multiply
    141,535.34x = 195,318.77 × 77,873.13
  4. Step 4: Simplify right side
    141,535.34x = 15,210,083,578.28
  5. Step 5: Solve for x
    x = 15,210,083,578.28/141,535.34
  6. Step 6: Final answer
    x = 107,464.92

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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.