Home / 127,943.43-176,562.23-71,358.45

Finding the Fourth Proportional to 127,943.43, 176,562.23 and 71,358.45

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Solution

The fourth proportional to 127,943.43, 176,562.23 and 71,358.45 is: 98,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.43 : 176,562.23 = 71,358.45 : x
  2. Step 2: Convert to fraction form
    127,943.43/176,562.23 = 71,358.45/x
  3. Step 3: Cross multiply
    127,943.43x = 176,562.23 × 71,358.45
  4. Step 4: Simplify right side
    127,943.43x = 12,599,206,704.55
  5. Step 5: Solve for x
    x = 12,599,206,704.55/127,943.43
  6. Step 6: Final answer
    x = 98,474.82

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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.