Home / 445,780.59-668,668.56-108,823.02

Finding the Fourth Proportional to 445,780.59, 668,668.56 and 108,823.02

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Solution

The fourth proportional to 445,780.59, 668,668.56 and 108,823.02 is: 163,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,780.59 : 668,668.56 = 108,823.02 : x
  2. Step 2: Convert to fraction form
    445,780.59/668,668.56 = 108,823.02/x
  3. Step 3: Cross multiply
    445,780.59x = 668,668.56 × 108,823.02
  4. Step 4: Simplify right side
    445,780.59x = 72,766,532,078.25
  5. Step 5: Solve for x
    x = 72,766,532,078.25/445,780.59
  6. Step 6: Final answer
    x = 163,233.96

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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.