Home / 124,801.68-172,229.04-68,213.04

Finding the Fourth Proportional to 124,801.68, 172,229.04 and 68,213.04

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Solution

The fourth proportional to 124,801.68, 172,229.04 and 68,213.04 is: 94,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,801.68 : 172,229.04 = 68,213.04 : x
  2. Step 2: Convert to fraction form
    124,801.68/172,229.04 = 68,213.04/x
  3. Step 3: Cross multiply
    124,801.68x = 172,229.04 × 68,213.04
  4. Step 4: Simplify right side
    124,801.68x = 11,748,266,394.68
  5. Step 5: Solve for x
    x = 11,748,266,394.68/124,801.68
  6. Step 6: Final answer
    x = 94,135.48

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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.