Home / 162,529.10-243,793.65-103,625.90

Finding the Fourth Proportional to 162,529.10, 243,793.65 and 103,625.90

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Solution

The fourth proportional to 162,529.10, 243,793.65 and 103,625.90 is: 155,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,529.10 : 243,793.65 = 103,625.90 : x
  2. Step 2: Convert to fraction form
    162,529.10/243,793.65 = 103,625.90/x
  3. Step 3: Cross multiply
    162,529.10x = 243,793.65 × 103,625.90
  4. Step 4: Simplify right side
    162,529.10x = 25,263,336,395.54
  5. Step 5: Solve for x
    x = 25,263,336,395.54/162,529.10
  6. Step 6: Final answer
    x = 155,438.85

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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.