Home / 141,487.69-195,248.89-77,825.47

Finding the Fourth Proportional to 141,487.69, 195,248.89 and 77,825.47

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Solution

The fourth proportional to 141,487.69, 195,248.89 and 77,825.47 is: 107,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,487.69 : 195,248.89 = 77,825.47 : x
  2. Step 2: Convert to fraction form
    141,487.69/195,248.89 = 77,825.47/x
  3. Step 3: Cross multiply
    141,487.69x = 195,248.89 × 77,825.47
  4. Step 4: Simplify right side
    141,487.69x = 15,195,336,631.23
  5. Step 5: Solve for x
    x = 15,195,336,631.23/141,487.69
  6. Step 6: Final answer
    x = 107,396.88

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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.