Home / 162,002.55-243,003.83-149,208.60

Finding the Fourth Proportional to 162,002.55, 243,003.83 and 149,208.60

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Solution

The fourth proportional to 162,002.55, 243,003.83 and 149,208.60 is: 223,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,002.55 : 243,003.83 = 149,208.60 : x
  2. Step 2: Convert to fraction form
    162,002.55/243,003.83 = 149,208.60/x
  3. Step 3: Cross multiply
    162,002.55x = 243,003.83 × 149,208.60
  4. Step 4: Simplify right side
    162,002.55x = 36,258,260,522.90
  5. Step 5: Solve for x
    x = 36,258,260,522.90/162,002.55
  6. Step 6: Final answer
    x = 223,812.90

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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.