Home / 242,829.20-363,952.20-124,439.60

Finding the Fourth Proportional to 242,829.20, 363,952.20 and 124,439.60

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Solution

The fourth proportional to 242,829.20, 363,952.20 and 124,439.60 is: 186,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,829.20 : 363,952.20 = 124,439.60 : x
  2. Step 2: Convert to fraction form
    242,829.20/363,952.20 = 124,439.60/x
  3. Step 3: Cross multiply
    242,829.20x = 363,952.20 × 124,439.60
  4. Step 4: Simplify right side
    242,829.20x = 45,290,066,187.12
  5. Step 5: Solve for x
    x = 45,290,066,187.12/242,829.20
  6. Step 6: Final answer
    x = 186,509.97

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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.