Home / 258,174.15-386,700.42-124,774.65

Finding the Fourth Proportional to 258,174.15, 386,700.42 and 124,774.65

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Solution

The fourth proportional to 258,174.15, 386,700.42 and 124,774.65 is: 186,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,174.15 : 386,700.42 = 124,774.65 : x
  2. Step 2: Convert to fraction form
    258,174.15/386,700.42 = 124,774.65/x
  3. Step 3: Cross multiply
    258,174.15x = 386,700.42 × 124,774.65
  4. Step 4: Simplify right side
    258,174.15x = 48,250,409,560.35
  5. Step 5: Solve for x
    x = 48,250,409,560.35/258,174.15
  6. Step 6: Final answer
    x = 186,890.94

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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.