Home / 220,475.34-330,668.06-62,661.42

Finding the Fourth Proportional to 220,475.34, 330,668.06 and 62,661.42

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Solution

The fourth proportional to 220,475.34, 330,668.06 and 62,661.42 is: 93,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,475.34 : 330,668.06 = 62,661.42 : x
  2. Step 2: Convert to fraction form
    220,475.34/330,668.06 = 62,661.42/x
  3. Step 3: Cross multiply
    220,475.34x = 330,668.06 × 62,661.42
  4. Step 4: Simplify right side
    220,475.34x = 20,720,129,874.94
  5. Step 5: Solve for x
    x = 20,720,129,874.94/220,475.34
  6. Step 6: Final answer
    x = 93,979.35

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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.