Home / 231,298.20-319,193.52-127,930.67

Finding the Fourth Proportional to 231,298.20, 319,193.52 and 127,930.67

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Solution

The fourth proportional to 231,298.20, 319,193.52 and 127,930.67 is: 176,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,298.20 : 319,193.52 = 127,930.67 : x
  2. Step 2: Convert to fraction form
    231,298.20/319,193.52 = 127,930.67/x
  3. Step 3: Cross multiply
    231,298.20x = 319,193.52 × 127,930.67
  4. Step 4: Simplify right side
    231,298.20x = 40,834,639,277.29
  5. Step 5: Solve for x
    x = 40,834,639,277.29/231,298.20
  6. Step 6: Final answer
    x = 176,545.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.