Home / 151,363.26-208,882.80-83,380.50

Finding the Fourth Proportional to 151,363.26, 208,882.80 and 83,380.50

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Solution

The fourth proportional to 151,363.26, 208,882.80 and 83,380.50 is: 115,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,363.26 : 208,882.80 = 83,380.50 : x
  2. Step 2: Convert to fraction form
    151,363.26/208,882.80 = 83,380.50/x
  3. Step 3: Cross multiply
    151,363.26x = 208,882.80 × 83,380.50
  4. Step 4: Simplify right side
    151,363.26x = 17,416,752,305.40
  5. Step 5: Solve for x
    x = 17,416,752,305.40/151,363.26
  6. Step 6: Final answer
    x = 115,065.92

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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.