Home / 224,557.20-336,543.30-91,281.78

Finding the Fourth Proportional to 224,557.20, 336,543.30 and 91,281.78

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Solution

The fourth proportional to 224,557.20, 336,543.30 and 91,281.78 is: 136,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,557.20 : 336,543.30 = 91,281.78 : x
  2. Step 2: Convert to fraction form
    224,557.20/336,543.30 = 91,281.78/x
  3. Step 3: Cross multiply
    224,557.20x = 336,543.30 × 91,281.78
  4. Step 4: Simplify right side
    224,557.20x = 30,720,271,471.07
  5. Step 5: Solve for x
    x = 30,720,271,471.07/224,557.20
  6. Step 6: Final answer
    x = 136,803.77

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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.