Home / 330,593.18-456,209-187,366.46

Finding the Fourth Proportional to 330,593.18, 456,209 and 187,366.46

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Solution

The fourth proportional to 330,593.18, 456,209 and 187,366.46 is: 258,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,593.18 : 456,209 = 187,366.46 : x
  2. Step 2: Convert to fraction form
    330,593.18/456,209 = 187,366.46/x
  3. Step 3: Cross multiply
    330,593.18x = 456,209 × 187,366.46
  4. Step 4: Simplify right side
    330,593.18x = 85,478,265,350.14
  5. Step 5: Solve for x
    x = 85,478,265,350.14/330,593.18
  6. Step 6: Final answer
    x = 258,560.28

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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.