Home / 101,228.30-151,885.65-48,610.70

Finding the Fourth Proportional to 101,228.30, 151,885.65 and 48,610.70

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Solution

The fourth proportional to 101,228.30, 151,885.65 and 48,610.70 is: 72,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,228.30 : 151,885.65 = 48,610.70 : x
  2. Step 2: Convert to fraction form
    101,228.30/151,885.65 = 48,610.70/x
  3. Step 3: Cross multiply
    101,228.30x = 151,885.65 × 48,610.70
  4. Step 4: Simplify right side
    101,228.30x = 7,383,267,766.46
  5. Step 5: Solve for x
    x = 7,383,267,766.46/101,228.30
  6. Step 6: Final answer
    x = 72,936.80

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1.5x scale

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.