Home / 156,233.98-215,516.56-127,193.58

Finding the Fourth Proportional to 156,233.98, 215,516.56 and 127,193.58

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Solution

The fourth proportional to 156,233.98, 215,516.56 and 127,193.58 is: 175,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,233.98 : 215,516.56 = 127,193.58 : x
  2. Step 2: Convert to fraction form
    156,233.98/215,516.56 = 127,193.58/x
  3. Step 3: Cross multiply
    156,233.98x = 215,516.56 × 127,193.58
  4. Step 4: Simplify right side
    156,233.98x = 27,412,322,815.68
  5. Step 5: Solve for x
    x = 27,412,322,815.68/156,233.98
  6. Step 6: Final answer
    x = 175,456.86

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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.