Home / 162,365.25-243,334.04-68,755.17

Finding the Fourth Proportional to 162,365.25, 243,334.04 and 68,755.17

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Solution

The fourth proportional to 162,365.25, 243,334.04 and 68,755.17 is: 103,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,365.25 : 243,334.04 = 68,755.17 : x
  2. Step 2: Convert to fraction form
    162,365.25/243,334.04 = 68,755.17/x
  3. Step 3: Cross multiply
    162,365.25x = 243,334.04 × 68,755.17
  4. Step 4: Simplify right side
    162,365.25x = 16,730,472,943.21
  5. Step 5: Solve for x
    x = 16,730,472,943.21/162,365.25
  6. Step 6: Final answer
    x = 103,042.20

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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.