Home / 153,876.89-231,221.25-82,852.04

Finding the Fourth Proportional to 153,876.89, 231,221.25 and 82,852.04

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Solution

The fourth proportional to 153,876.89, 231,221.25 and 82,852.04 is: 124,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,876.89 : 231,221.25 = 82,852.04 : x
  2. Step 2: Convert to fraction form
    153,876.89/231,221.25 = 82,852.04/x
  3. Step 3: Cross multiply
    153,876.89x = 231,221.25 × 82,852.04
  4. Step 4: Simplify right side
    153,876.89x = 19,157,152,253.85
  5. Step 5: Solve for x
    x = 19,157,152,253.85/153,876.89
  6. Step 6: Final answer
    x = 124,496.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.