Home / 106,475.20-159,610.40-82,769.60

Finding the Fourth Proportional to 106,475.20, 159,610.40 and 82,769.60

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Solution

The fourth proportional to 106,475.20, 159,610.40 and 82,769.60 is: 124,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,475.20 : 159,610.40 = 82,769.60 : x
  2. Step 2: Convert to fraction form
    106,475.20/159,610.40 = 82,769.60/x
  3. Step 3: Cross multiply
    106,475.20x = 159,610.40 × 82,769.60
  4. Step 4: Simplify right side
    106,475.20x = 13,210,888,963.84
  5. Step 5: Solve for x
    x = 13,210,888,963.84/106,475.20
  6. Step 6: Final answer
    x = 124,074.80

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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.