Home / 242,126.25-363,191.19-84,354.45

Finding the Fourth Proportional to 242,126.25, 363,191.19 and 84,354.45

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Solution

The fourth proportional to 242,126.25, 363,191.19 and 84,354.45 is: 126,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,126.25 : 363,191.19 = 84,354.45 : x
  2. Step 2: Convert to fraction form
    242,126.25/363,191.19 = 84,354.45/x
  3. Step 3: Cross multiply
    242,126.25x = 363,191.19 × 84,354.45
  4. Step 4: Simplify right side
    242,126.25x = 30,636,793,077.30
  5. Step 5: Solve for x
    x = 30,636,793,077.30/242,126.25
  6. Step 6: Final answer
    x = 126,532.31

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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.