Home / 113,212.30-156,236.72-62,226.85

Finding the Fourth Proportional to 113,212.30, 156,236.72 and 62,226.85

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Solution

The fourth proportional to 113,212.30, 156,236.72 and 62,226.85 is: 85,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,212.30 : 156,236.72 = 62,226.85 : x
  2. Step 2: Convert to fraction form
    113,212.30/156,236.72 = 62,226.85/x
  3. Step 3: Cross multiply
    113,212.30x = 156,236.72 × 62,226.85
  4. Step 4: Simplify right side
    113,212.30x = 9,722,118,939.93
  5. Step 5: Solve for x
    x = 9,722,118,939.93/113,212.30
  6. Step 6: Final answer
    x = 85,875.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.