Home / 147,211.56-220,849.92-53,717.04

Finding the Fourth Proportional to 147,211.56, 220,849.92 and 53,717.04

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Solution

The fourth proportional to 147,211.56, 220,849.92 and 53,717.04 is: 80,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,211.56 : 220,849.92 = 53,717.04 : x
  2. Step 2: Convert to fraction form
    147,211.56/220,849.92 = 53,717.04/x
  3. Step 3: Cross multiply
    147,211.56x = 220,849.92 × 53,717.04
  4. Step 4: Simplify right side
    147,211.56x = 11,863,403,986.64
  5. Step 5: Solve for x
    x = 11,863,403,986.64/147,211.56
  6. Step 6: Final answer
    x = 80,587.45

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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.