Home / 124,940.52-172,522.98-89,240.04

Finding the Fourth Proportional to 124,940.52, 172,522.98 and 89,240.04

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Solution

The fourth proportional to 124,940.52, 172,522.98 and 89,240.04 is: 123,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.52 : 172,522.98 = 89,240.04 : x
  2. Step 2: Convert to fraction form
    124,940.52/172,522.98 = 89,240.04/x
  3. Step 3: Cross multiply
    124,940.52x = 172,522.98 × 89,240.04
  4. Step 4: Simplify right side
    124,940.52x = 15,395,957,636.12
  5. Step 5: Solve for x
    x = 15,395,957,636.12/124,940.52
  6. Step 6: Final answer
    x = 123,226.30

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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.