Home / 162,333.40-243,500.10-91,474.60

Finding the Fourth Proportional to 162,333.40, 243,500.10 and 91,474.60

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Solution

The fourth proportional to 162,333.40, 243,500.10 and 91,474.60 is: 137,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,333.40 : 243,500.10 = 91,474.60 : x
  2. Step 2: Convert to fraction form
    162,333.40/243,500.10 = 91,474.60/x
  3. Step 3: Cross multiply
    162,333.40x = 243,500.10 × 91,474.60
  4. Step 4: Simplify right side
    162,333.40x = 22,274,074,247.46
  5. Step 5: Solve for x
    x = 22,274,074,247.46/162,333.40
  6. Step 6: Final answer
    x = 137,211.90

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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.