Home / 141,505.52-195,274.44-77,841.92

Finding the Fourth Proportional to 141,505.52, 195,274.44 and 77,841.92

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Solution

The fourth proportional to 141,505.52, 195,274.44 and 77,841.92 is: 107,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,505.52 : 195,274.44 = 77,841.92 : x
  2. Step 2: Convert to fraction form
    141,505.52/195,274.44 = 77,841.92/x
  3. Step 3: Cross multiply
    141,505.52x = 195,274.44 × 77,841.92
  4. Step 4: Simplify right side
    141,505.52x = 15,200,537,336.52
  5. Step 5: Solve for x
    x = 15,200,537,336.52/141,505.52
  6. Step 6: Final answer
    x = 107,420.10

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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.