Home / 151,711.10-227,739.45-89,416.70

Finding the Fourth Proportional to 151,711.10, 227,739.45 and 89,416.70

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Solution

The fourth proportional to 151,711.10, 227,739.45 and 89,416.70 is: 134,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,711.10 : 227,739.45 = 89,416.70 : x
  2. Step 2: Convert to fraction form
    151,711.10/227,739.45 = 89,416.70/x
  3. Step 3: Cross multiply
    151,711.10x = 227,739.45 × 89,416.70
  4. Step 4: Simplify right side
    151,711.10x = 20,363,710,078.82
  5. Step 5: Solve for x
    x = 20,363,710,078.82/151,711.10
  6. Step 6: Final answer
    x = 134,226.90

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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.