Home / 151,421.40-227,132.10-92,226.60

Finding the Fourth Proportional to 151,421.40, 227,132.10 and 92,226.60

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Solution

The fourth proportional to 151,421.40, 227,132.10 and 92,226.60 is: 138,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,421.40 : 227,132.10 = 92,226.60 : x
  2. Step 2: Convert to fraction form
    151,421.40/227,132.10 = 92,226.60/x
  3. Step 3: Cross multiply
    151,421.40x = 227,132.10 × 92,226.60
  4. Step 4: Simplify right side
    151,421.40x = 20,947,621,333.86
  5. Step 5: Solve for x
    x = 20,947,621,333.86/151,421.40
  6. Step 6: Final answer
    x = 138,339.90

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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.