Home / 242,665.20-363,997.80-124,567.20

Finding the Fourth Proportional to 242,665.20, 363,997.80 and 124,567.20

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Solution

The fourth proportional to 242,665.20, 363,997.80 and 124,567.20 is: 186,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,665.20 : 363,997.80 = 124,567.20 : x
  2. Step 2: Convert to fraction form
    242,665.20/363,997.80 = 124,567.20/x
  3. Step 3: Cross multiply
    242,665.20x = 363,997.80 × 124,567.20
  4. Step 4: Simplify right side
    242,665.20x = 45,342,186,752.16
  5. Step 5: Solve for x
    x = 45,342,186,752.16/242,665.20
  6. Step 6: Final answer
    x = 186,850.80

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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.