Home / 153,986.76-231,053.58-83,864.52

Finding the Fourth Proportional to 153,986.76, 231,053.58 and 83,864.52

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Solution

The fourth proportional to 153,986.76, 231,053.58 and 83,864.52 is: 125,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,986.76 : 231,053.58 = 83,864.52 : x
  2. Step 2: Convert to fraction form
    153,986.76/231,053.58 = 83,864.52/x
  3. Step 3: Cross multiply
    153,986.76x = 231,053.58 × 83,864.52
  4. Step 4: Simplify right side
    153,986.76x = 19,377,197,580.98
  5. Step 5: Solve for x
    x = 19,377,197,580.98/153,986.76
  6. Step 6: Final answer
    x = 125,836.78

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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.