Home / 242,568.20-363,852.30-149,126.60

Finding the Fourth Proportional to 242,568.20, 363,852.30 and 149,126.60

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Solution

The fourth proportional to 242,568.20, 363,852.30 and 149,126.60 is: 223,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,568.20 : 363,852.30 = 149,126.60 : x
  2. Step 2: Convert to fraction form
    242,568.20/363,852.30 = 149,126.60/x
  3. Step 3: Cross multiply
    242,568.20x = 363,852.30 × 149,126.60
  4. Step 4: Simplify right side
    242,568.20x = 54,260,056,401.18
  5. Step 5: Solve for x
    x = 54,260,056,401.18/242,568.20
  6. Step 6: Final answer
    x = 223,689.90

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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.