Home / 147,218.03-220,830.68-53,723.75

Finding the Fourth Proportional to 147,218.03, 220,830.68 and 53,723.75

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Solution

The fourth proportional to 147,218.03, 220,830.68 and 53,723.75 is: 80,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,218.03 : 220,830.68 = 53,723.75 : x
  2. Step 2: Convert to fraction form
    147,218.03/220,830.68 = 53,723.75/x
  3. Step 3: Cross multiply
    147,218.03x = 220,830.68 × 53,723.75
  4. Step 4: Simplify right side
    147,218.03x = 11,863,852,244.65
  5. Step 5: Solve for x
    x = 11,863,852,244.65/147,218.03
  6. Step 6: Final answer
    x = 80,586.95

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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.