Home / 258,060.60-387,087.48-124,952.76

Finding the Fourth Proportional to 258,060.60, 387,087.48 and 124,952.76

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Solution

The fourth proportional to 258,060.60, 387,087.48 and 124,952.76 is: 187,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,060.60 : 387,087.48 = 124,952.76 : x
  2. Step 2: Convert to fraction form
    258,060.60/387,087.48 = 124,952.76/x
  3. Step 3: Cross multiply
    258,060.60x = 387,087.48 × 124,952.76
  4. Step 4: Simplify right side
    258,060.60x = 48,367,648,987.44
  5. Step 5: Solve for x
    x = 48,367,648,987.44/258,060.60
  6. Step 6: Final answer
    x = 187,427.48

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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.