Home / 127,934.56-191,557.44-83,451.04

Finding the Fourth Proportional to 127,934.56, 191,557.44 and 83,451.04

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Solution

The fourth proportional to 127,934.56, 191,557.44 and 83,451.04 is: 124,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,934.56 : 191,557.44 = 83,451.04 : x
  2. Step 2: Convert to fraction form
    127,934.56/191,557.44 = 83,451.04/x
  3. Step 3: Cross multiply
    127,934.56x = 191,557.44 × 83,451.04
  4. Step 4: Simplify right side
    127,934.56x = 15,985,667,587.74
  5. Step 5: Solve for x
    x = 15,985,667,587.74/127,934.56
  6. Step 6: Final answer
    x = 124,951.91

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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.