Home / 124,837.07-172,275.12-68,248.44

Finding the Fourth Proportional to 124,837.07, 172,275.12 and 68,248.44

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Solution

The fourth proportional to 124,837.07, 172,275.12 and 68,248.44 is: 94,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,837.07 : 172,275.12 = 68,248.44 : x
  2. Step 2: Convert to fraction form
    124,837.07/172,275.12 = 68,248.44/x
  3. Step 3: Cross multiply
    124,837.07x = 172,275.12 × 68,248.44
  4. Step 4: Simplify right side
    124,837.07x = 11,757,508,190.81
  5. Step 5: Solve for x
    x = 11,757,508,190.81/124,837.07
  6. Step 6: Final answer
    x = 94,182.83

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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.