Home / 131,044.32-196,497.36-57,132

Finding the Fourth Proportional to 131,044.32, 196,497.36 and 57,132

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Solution

The fourth proportional to 131,044.32, 196,497.36 and 57,132 is: 85,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,044.32 : 196,497.36 = 57,132 : x
  2. Step 2: Convert to fraction form
    131,044.32/196,497.36 = 57,132/x
  3. Step 3: Cross multiply
    131,044.32x = 196,497.36 × 57,132
  4. Step 4: Simplify right side
    131,044.32x = 11,226,287,171.52
  5. Step 5: Solve for x
    x = 11,226,287,171.52/131,044.32
  6. Step 6: Final answer
    x = 85,667.87

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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.