Home / 121,333.40-182,000.10-89,840.60

Finding the Fourth Proportional to 121,333.40, 182,000.10 and 89,840.60

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Solution

The fourth proportional to 121,333.40, 182,000.10 and 89,840.60 is: 134,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,333.40 : 182,000.10 = 89,840.60 : x
  2. Step 2: Convert to fraction form
    121,333.40/182,000.10 = 89,840.60/x
  3. Step 3: Cross multiply
    121,333.40x = 182,000.10 × 89,840.60
  4. Step 4: Simplify right side
    121,333.40x = 16,350,998,184.06
  5. Step 5: Solve for x
    x = 16,350,998,184.06/121,333.40
  6. Step 6: Final answer
    x = 134,760.90

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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.