Home / 258,177.65-386,705.66-124,778.14

Finding the Fourth Proportional to 258,177.65, 386,705.66 and 124,778.14

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Solution

The fourth proportional to 258,177.65, 386,705.66 and 124,778.14 is: 186,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,177.65 : 386,705.66 = 124,778.14 : x
  2. Step 2: Convert to fraction form
    258,177.65/386,705.66 = 124,778.14/x
  3. Step 3: Cross multiply
    258,177.65x = 386,705.66 × 124,778.14
  4. Step 4: Simplify right side
    258,177.65x = 48,252,412,982.27
  5. Step 5: Solve for x
    x = 48,252,412,982.27/258,177.65
  6. Step 6: Final answer
    x = 186,896.17

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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.