Home / 187,167.96-258,295.26-102,290.52

Finding the Fourth Proportional to 187,167.96, 258,295.26 and 102,290.52

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Solution

The fourth proportional to 187,167.96, 258,295.26 and 102,290.52 is: 141,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,167.96 : 258,295.26 = 102,290.52 : x
  2. Step 2: Convert to fraction form
    187,167.96/258,295.26 = 102,290.52/x
  3. Step 3: Cross multiply
    187,167.96x = 258,295.26 × 102,290.52
  4. Step 4: Simplify right side
    187,167.96x = 26,421,156,458.94
  5. Step 5: Solve for x
    x = 26,421,156,458.94/187,167.96
  6. Step 6: Final answer
    x = 141,162.82

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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.