Home / 127,944.43-176,563.61-71,359.45

Finding the Fourth Proportional to 127,944.43, 176,563.61 and 71,359.45

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Solution

The fourth proportional to 127,944.43, 176,563.61 and 71,359.45 is: 98,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,944.43 : 176,563.61 = 71,359.45 : x
  2. Step 2: Convert to fraction form
    127,944.43/176,563.61 = 71,359.45/x
  3. Step 3: Cross multiply
    127,944.43x = 176,563.61 × 71,359.45
  4. Step 4: Simplify right side
    127,944.43x = 12,599,482,099.61
  5. Step 5: Solve for x
    x = 12,599,482,099.61/127,944.43
  6. Step 6: Final answer
    x = 98,476.21

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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.