Home / 242,627.10-363,951.45-82,700.70

Finding the Fourth Proportional to 242,627.10, 363,951.45 and 82,700.70

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Solution

The fourth proportional to 242,627.10, 363,951.45 and 82,700.70 is: 124,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,627.10 : 363,951.45 = 82,700.70 : x
  2. Step 2: Convert to fraction form
    242,627.10/363,951.45 = 82,700.70/x
  3. Step 3: Cross multiply
    242,627.10x = 363,951.45 × 82,700.70
  4. Step 4: Simplify right side
    242,627.10x = 30,099,039,681.02
  5. Step 5: Solve for x
    x = 30,099,039,681.02/242,627.10
  6. Step 6: Final answer
    x = 124,054.73

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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.