Home / 187,509.60-258,764.76-102,627.36

Finding the Fourth Proportional to 187,509.60, 258,764.76 and 102,627.36

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Solution

The fourth proportional to 187,509.60, 258,764.76 and 102,627.36 is: 141,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,509.60 : 258,764.76 = 102,627.36 : x
  2. Step 2: Convert to fraction form
    187,509.60/258,764.76 = 102,627.36/x
  3. Step 3: Cross multiply
    187,509.60x = 258,764.76 × 102,627.36
  4. Step 4: Simplify right side
    187,509.60x = 26,556,344,179.83
  5. Step 5: Solve for x
    x = 26,556,344,179.83/187,509.60
  6. Step 6: Final answer
    x = 141,626.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.