Home / 242,109.17-363,207.81-80,012.48

Finding the Fourth Proportional to 242,109.17, 363,207.81 and 80,012.48

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Solution

The fourth proportional to 242,109.17, 363,207.81 and 80,012.48 is: 120,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,109.17 : 363,207.81 = 80,012.48 : x
  2. Step 2: Convert to fraction form
    242,109.17/363,207.81 = 80,012.48/x
  3. Step 3: Cross multiply
    242,109.17x = 363,207.81 × 80,012.48
  4. Step 4: Simplify right side
    242,109.17x = 29,061,156,117.48
  5. Step 5: Solve for x
    x = 29,061,156,117.48/242,109.17
  6. Step 6: Final answer
    x = 120,033.27

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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.