Home / 161,136.82-241,622.20-72,314.18

Finding the Fourth Proportional to 161,136.82, 241,622.20 and 72,314.18

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Solution

The fourth proportional to 161,136.82, 241,622.20 and 72,314.18 is: 108,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,136.82 : 241,622.20 = 72,314.18 : x
  2. Step 2: Convert to fraction form
    161,136.82/241,622.20 = 72,314.18/x
  3. Step 3: Cross multiply
    161,136.82x = 241,622.20 × 72,314.18
  4. Step 4: Simplify right side
    161,136.82x = 17,472,711,262.80
  5. Step 5: Solve for x
    x = 17,472,711,262.80/161,136.82
  6. Step 6: Final answer
    x = 108,434.01

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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.