Home / 151,949.52-209,687.76-83,966.40

Finding the Fourth Proportional to 151,949.52, 209,687.76 and 83,966.40

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Solution

The fourth proportional to 151,949.52, 209,687.76 and 83,966.40 is: 115,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,949.52 : 209,687.76 = 83,966.40 : x
  2. Step 2: Convert to fraction form
    151,949.52/209,687.76 = 83,966.40/x
  3. Step 3: Cross multiply
    151,949.52x = 209,687.76 × 83,966.40
  4. Step 4: Simplify right side
    151,949.52x = 17,606,726,331.26
  5. Step 5: Solve for x
    x = 17,606,726,331.26/151,949.52
  6. Step 6: Final answer
    x = 115,872.21

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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.