Home / 124,943.52-172,527.12-89,243.04

Finding the Fourth Proportional to 124,943.52, 172,527.12 and 89,243.04

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Solution

The fourth proportional to 124,943.52, 172,527.12 and 89,243.04 is: 123,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,943.52 : 172,527.12 = 89,243.04 : x
  2. Step 2: Convert to fraction form
    124,943.52/172,527.12 = 89,243.04/x
  3. Step 3: Cross multiply
    124,943.52x = 172,527.12 × 89,243.04
  4. Step 4: Simplify right side
    124,943.52x = 15,396,844,671.24
  5. Step 5: Solve for x
    x = 15,396,844,671.24/124,943.52
  6. Step 6: Final answer
    x = 123,230.44

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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.