Home / 187,495.52-258,654.36-115,849.76

Finding the Fourth Proportional to 187,495.52, 258,654.36 and 115,849.76

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Solution

The fourth proportional to 187,495.52, 258,654.36 and 115,849.76 is: 159,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,495.52 : 258,654.36 = 115,849.76 : x
  2. Step 2: Convert to fraction form
    187,495.52/258,654.36 = 115,849.76/x
  3. Step 3: Cross multiply
    187,495.52x = 258,654.36 × 115,849.76
  4. Step 4: Simplify right side
    187,495.52x = 29,965,045,528.95
  5. Step 5: Solve for x
    x = 29,965,045,528.95/187,495.52
  6. Step 6: Final answer
    x = 159,817.39

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1.5x scale

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.