Home / 147,620.80-221,431.20-41,004.55

Finding the Fourth Proportional to 147,620.80, 221,431.20 and 41,004.55

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Solution

The fourth proportional to 147,620.80, 221,431.20 and 41,004.55 is: 61,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,620.80 : 221,431.20 = 41,004.55 : x
  2. Step 2: Convert to fraction form
    147,620.80/221,431.20 = 41,004.55/x
  3. Step 3: Cross multiply
    147,620.80x = 221,431.20 × 41,004.55
  4. Step 4: Simplify right side
    147,620.80x = 9,079,686,711.96
  5. Step 5: Solve for x
    x = 9,079,686,711.96/147,620.80
  6. Step 6: Final answer
    x = 61,506.83

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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.