Home / 141,373.13-195,095.13-77,711.32

Finding the Fourth Proportional to 141,373.13, 195,095.13 and 77,711.32

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Solution

The fourth proportional to 141,373.13, 195,095.13 and 77,711.32 is: 107,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,373.13 : 195,095.13 = 77,711.32 : x
  2. Step 2: Convert to fraction form
    141,373.13/195,095.13 = 77,711.32/x
  3. Step 3: Cross multiply
    141,373.13x = 195,095.13 × 77,711.32
  4. Step 4: Simplify right side
    141,373.13x = 15,161,100,077.87
  5. Step 5: Solve for x
    x = 15,161,100,077.87/141,373.13
  6. Step 6: Final answer
    x = 107,241.74

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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.