Home / 162,239.80-243,372.30-57,082.36

Finding the Fourth Proportional to 162,239.80, 243,372.30 and 57,082.36

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Solution

The fourth proportional to 162,239.80, 243,372.30 and 57,082.36 is: 85,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,239.80 : 243,372.30 = 57,082.36 : x
  2. Step 2: Convert to fraction form
    162,239.80/243,372.30 = 57,082.36/x
  3. Step 3: Cross multiply
    162,239.80x = 243,372.30 × 57,082.36
  4. Step 4: Simplify right side
    162,239.80x = 13,892,265,242.63
  5. Step 5: Solve for x
    x = 13,892,265,242.63/162,239.80
  6. Step 6: Final answer
    x = 85,627.97

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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.