Home / 149,966.92-206,944.50-86,294.44

Finding the Fourth Proportional to 149,966.92, 206,944.50 and 86,294.44

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Solution

The fourth proportional to 149,966.92, 206,944.50 and 86,294.44 is: 119,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,966.92 : 206,944.50 = 86,294.44 : x
  2. Step 2: Convert to fraction form
    149,966.92/206,944.50 = 86,294.44/x
  3. Step 3: Cross multiply
    149,966.92x = 206,944.50 × 86,294.44
  4. Step 4: Simplify right side
    149,966.92x = 17,858,159,738.58
  5. Step 5: Solve for x
    x = 17,858,159,738.58/149,966.92
  6. Step 6: Final answer
    x = 119,080.66

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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.