Home / 124,885.36-172,342.56-68,296.96

Finding the Fourth Proportional to 124,885.36, 172,342.56 and 68,296.96

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Solution

The fourth proportional to 124,885.36, 172,342.56 and 68,296.96 is: 94,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,885.36 : 172,342.56 = 68,296.96 : x
  2. Step 2: Convert to fraction form
    124,885.36/172,342.56 = 68,296.96/x
  3. Step 3: Cross multiply
    124,885.36x = 172,342.56 × 68,296.96
  4. Step 4: Simplify right side
    124,885.36x = 11,770,472,926.62
  5. Step 5: Solve for x
    x = 11,770,472,926.62/124,885.36
  6. Step 6: Final answer
    x = 94,250.22

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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.