Home / 162,512.30-243,440.40-92,309.60

Finding the Fourth Proportional to 162,512.30, 243,440.40 and 92,309.60

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Solution

The fourth proportional to 162,512.30, 243,440.40 and 92,309.60 is: 138,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,512.30 : 243,440.40 = 92,309.60 : x
  2. Step 2: Convert to fraction form
    162,512.30/243,440.40 = 92,309.60/x
  3. Step 3: Cross multiply
    162,512.30x = 243,440.40 × 92,309.60
  4. Step 4: Simplify right side
    162,512.30x = 22,471,885,947.84
  5. Step 5: Solve for x
    x = 22,471,885,947.84/162,512.30
  6. Step 6: Final answer
    x = 138,278.06

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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.