Home / 127,048.92-175,326.28-69,687.06

Finding the Fourth Proportional to 127,048.92, 175,326.28 and 69,687.06

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Solution

The fourth proportional to 127,048.92, 175,326.28 and 69,687.06 is: 96,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,048.92 : 175,326.28 = 69,687.06 : x
  2. Step 2: Convert to fraction form
    127,048.92/175,326.28 = 69,687.06/x
  3. Step 3: Cross multiply
    127,048.92x = 175,326.28 × 69,687.06
  4. Step 4: Simplify right side
    127,048.92x = 12,217,972,993.94
  5. Step 5: Solve for x
    x = 12,217,972,993.94/127,048.92
  6. Step 6: Final answer
    x = 96,167.47

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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.