Home / 162,149.41-243,373.64-82,243.46

Finding the Fourth Proportional to 162,149.41, 243,373.64 and 82,243.46

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Solution

The fourth proportional to 162,149.41, 243,373.64 and 82,243.46 is: 123,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,149.41 : 243,373.64 = 82,243.46 : x
  2. Step 2: Convert to fraction form
    162,149.41/243,373.64 = 82,243.46/x
  3. Step 3: Cross multiply
    162,149.41x = 243,373.64 × 82,243.46
  4. Step 4: Simplify right side
    162,149.41x = 20,015,890,423.61
  5. Step 5: Solve for x
    x = 20,015,890,423.61/162,149.41
  6. Step 6: Final answer
    x = 123,441.03

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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.