Home / 127,065.31-175,352.46-69,707.56

Finding the Fourth Proportional to 127,065.31, 175,352.46 and 69,707.56

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Solution

The fourth proportional to 127,065.31, 175,352.46 and 69,707.56 is: 96,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.31 : 175,352.46 = 69,707.56 : x
  2. Step 2: Convert to fraction form
    127,065.31/175,352.46 = 69,707.56/x
  3. Step 3: Cross multiply
    127,065.31x = 175,352.46 × 69,707.56
  4. Step 4: Simplify right side
    127,065.31x = 12,223,391,949.62
  5. Step 5: Solve for x
    x = 12,223,391,949.62/127,065.31
  6. Step 6: Final answer
    x = 96,197.71

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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.