Home / 127,022.13-175,265.71-75,329.65

Finding the Fourth Proportional to 127,022.13, 175,265.71 and 75,329.65

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Solution

The fourth proportional to 127,022.13, 175,265.71 and 75,329.65 is: 103,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,022.13 : 175,265.71 = 75,329.65 : x
  2. Step 2: Convert to fraction form
    127,022.13/175,265.71 = 75,329.65/x
  3. Step 3: Cross multiply
    127,022.13x = 175,265.71 × 75,329.65
  4. Step 4: Simplify right side
    127,022.13x = 13,202,704,591.30
  5. Step 5: Solve for x
    x = 13,202,704,591.30/127,022.13
  6. Step 6: Final answer
    x = 103,940.19

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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.