Home / 156,982.82-216,631.76-89,006.13

Finding the Fourth Proportional to 156,982.82, 216,631.76 and 89,006.13

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Solution

The fourth proportional to 156,982.82, 216,631.76 and 89,006.13 is: 122,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982.82 : 216,631.76 = 89,006.13 : x
  2. Step 2: Convert to fraction form
    156,982.82/216,631.76 = 89,006.13/x
  3. Step 3: Cross multiply
    156,982.82x = 216,631.76 × 89,006.13
  4. Step 4: Simplify right side
    156,982.82x = 19,281,554,147.66
  5. Step 5: Solve for x
    x = 19,281,554,147.66/156,982.82
  6. Step 6: Final answer
    x = 122,825.89

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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.