Home / 127,000.57-175,262.76-69,645.13

Finding the Fourth Proportional to 127,000.57, 175,262.76 and 69,645.13

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Solution

The fourth proportional to 127,000.57, 175,262.76 and 69,645.13 is: 96,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,000.57 : 175,262.76 = 69,645.13 : x
  2. Step 2: Convert to fraction form
    127,000.57/175,262.76 = 69,645.13/x
  3. Step 3: Cross multiply
    127,000.57x = 175,262.76 × 69,645.13
  4. Step 4: Simplify right side
    127,000.57x = 12,206,197,708.54
  5. Step 5: Solve for x
    x = 12,206,197,708.54/127,000.57
  6. Step 6: Final answer
    x = 96,111.36

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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.