Home / 220,689.49-331,057.13-94,343.08

Finding the Fourth Proportional to 220,689.49, 331,057.13 and 94,343.08

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Solution

The fourth proportional to 220,689.49, 331,057.13 and 94,343.08 is: 141,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,689.49 : 331,057.13 = 94,343.08 : x
  2. Step 2: Convert to fraction form
    220,689.49/331,057.13 = 94,343.08/x
  3. Step 3: Cross multiply
    220,689.49x = 331,057.13 × 94,343.08
  4. Step 4: Simplify right side
    220,689.49x = 31,232,948,621.53
  5. Step 5: Solve for x
    x = 31,232,948,621.53/220,689.49
  6. Step 6: Final answer
    x = 141,524.41

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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.