Home / 162,366.50-243,335.91-68,756.42

Finding the Fourth Proportional to 162,366.50, 243,335.91 and 68,756.42

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Solution

The fourth proportional to 162,366.50, 243,335.91 and 68,756.42 is: 103,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,366.50 : 243,335.91 = 68,756.42 : x
  2. Step 2: Convert to fraction form
    162,366.50/243,335.91 = 68,756.42/x
  3. Step 3: Cross multiply
    162,366.50x = 243,335.91 × 68,756.42
  4. Step 4: Simplify right side
    162,366.50x = 16,730,906,029.04
  5. Step 5: Solve for x
    x = 16,730,906,029.04/162,366.50
  6. Step 6: Final answer
    x = 103,044.08

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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.