Home / 242,209.20-363,054.60-109,066.80

Finding the Fourth Proportional to 242,209.20, 363,054.60 and 109,066.80

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Solution

The fourth proportional to 242,209.20, 363,054.60 and 109,066.80 is: 163,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,209.20 : 363,054.60 = 109,066.80 : x
  2. Step 2: Convert to fraction form
    242,209.20/363,054.60 = 109,066.80/x
  3. Step 3: Cross multiply
    242,209.20x = 363,054.60 × 109,066.80
  4. Step 4: Simplify right side
    242,209.20x = 39,597,203,447.28
  5. Step 5: Solve for x
    x = 39,597,203,447.28/242,209.20
  6. Step 6: Final answer
    x = 163,483.48

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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.