Home / 132,856.62-199,400.06-69,721.35

Finding the Fourth Proportional to 132,856.62, 199,400.06 and 69,721.35

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Solution

The fourth proportional to 132,856.62, 199,400.06 and 69,721.35 is: 104,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,856.62 : 199,400.06 = 69,721.35 : x
  2. Step 2: Convert to fraction form
    132,856.62/199,400.06 = 69,721.35/x
  3. Step 3: Cross multiply
    132,856.62x = 199,400.06 × 69,721.35
  4. Step 4: Simplify right side
    132,856.62x = 13,902,441,373.28
  5. Step 5: Solve for x
    x = 13,902,441,373.28/132,856.62
  6. Step 6: Final answer
    x = 104,642.44

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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.