Home / 227,123.05-340,841.85-90,332.12

Finding the Fourth Proportional to 227,123.05, 340,841.85 and 90,332.12

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Solution

The fourth proportional to 227,123.05, 340,841.85 and 90,332.12 is: 135,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,123.05 : 340,841.85 = 90,332.12 : x
  2. Step 2: Convert to fraction form
    227,123.05/340,841.85 = 90,332.12/x
  3. Step 3: Cross multiply
    227,123.05x = 340,841.85 × 90,332.12
  4. Step 4: Simplify right side
    227,123.05x = 30,788,966,695.00
  5. Step 5: Solve for x
    x = 30,788,966,695.00/227,123.05
  6. Step 6: Final answer
    x = 135,560.73

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1.5x scale

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.