Home / 162,876.20-244,314.30-120,885.80

Finding the Fourth Proportional to 162,876.20, 244,314.30 and 120,885.80

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Solution

The fourth proportional to 162,876.20, 244,314.30 and 120,885.80 is: 181,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,876.20 : 244,314.30 = 120,885.80 : x
  2. Step 2: Convert to fraction form
    162,876.20/244,314.30 = 120,885.80/x
  3. Step 3: Cross multiply
    162,876.20x = 244,314.30 × 120,885.80
  4. Step 4: Simplify right side
    162,876.20x = 29,534,129,606.94
  5. Step 5: Solve for x
    x = 29,534,129,606.94/162,876.20
  6. Step 6: Final answer
    x = 181,328.70

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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.