Home / 106,438.84-146,882.76-58,691.36

Finding the Fourth Proportional to 106,438.84, 146,882.76 and 58,691.36

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Solution

The fourth proportional to 106,438.84, 146,882.76 and 58,691.36 is: 80,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,438.84 : 146,882.76 = 58,691.36 : x
  2. Step 2: Convert to fraction form
    106,438.84/146,882.76 = 58,691.36/x
  3. Step 3: Cross multiply
    106,438.84x = 146,882.76 × 58,691.36
  4. Step 4: Simplify right side
    106,438.84x = 8,620,748,944.95
  5. Step 5: Solve for x
    x = 8,620,748,944.95/106,438.84
  6. Step 6: Final answer
    x = 80,992.51

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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.