Home / 121,930.22-182,658.62-89,851.02

Finding the Fourth Proportional to 121,930.22, 182,658.62 and 89,851.02

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Solution

The fourth proportional to 121,930.22, 182,658.62 and 89,851.02 is: 134,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,930.22 : 182,658.62 = 89,851.02 : x
  2. Step 2: Convert to fraction form
    121,930.22/182,658.62 = 89,851.02/x
  3. Step 3: Cross multiply
    121,930.22x = 182,658.62 × 89,851.02
  4. Step 4: Simplify right side
    121,930.22x = 16,412,063,318.79
  5. Step 5: Solve for x
    x = 16,412,063,318.79/121,930.22
  6. Step 6: Final answer
    x = 134,602.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.