Home / 127,270.69-175,693.25-73,545.22

Finding the Fourth Proportional to 127,270.69, 175,693.25 and 73,545.22

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Solution

The fourth proportional to 127,270.69, 175,693.25 and 73,545.22 is: 101,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,270.69 : 175,693.25 = 73,545.22 : x
  2. Step 2: Convert to fraction form
    127,270.69/175,693.25 = 73,545.22/x
  3. Step 3: Cross multiply
    127,270.69x = 175,693.25 × 73,545.22
  4. Step 4: Simplify right side
    127,270.69x = 12,921,398,138.97
  5. Step 5: Solve for x
    x = 12,921,398,138.97/127,270.69
  6. Step 6: Final answer
    x = 101,526.89

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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.