Home / 242,630.13-363,979.17-84,822.69

Finding the Fourth Proportional to 242,630.13, 363,979.17 and 84,822.69

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Solution

The fourth proportional to 242,630.13, 363,979.17 and 84,822.69 is: 127,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,630.13 : 363,979.17 = 84,822.69 : x
  2. Step 2: Convert to fraction form
    242,630.13/363,979.17 = 84,822.69/x
  3. Step 3: Cross multiply
    242,630.13x = 363,979.17 × 84,822.69
  4. Step 4: Simplify right side
    242,630.13x = 30,873,692,303.37
  5. Step 5: Solve for x
    x = 30,873,692,303.37/242,630.13
  6. Step 6: Final answer
    x = 127,245.91

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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.