Home / 209,147.92-288,622.76-113,654.61

Finding the Fourth Proportional to 209,147.92, 288,622.76 and 113,654.61

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Solution

The fourth proportional to 209,147.92, 288,622.76 and 113,654.61 is: 156,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,147.92 : 288,622.76 = 113,654.61 : x
  2. Step 2: Convert to fraction form
    209,147.92/288,622.76 = 113,654.61/x
  3. Step 3: Cross multiply
    209,147.92x = 288,622.76 × 113,654.61
  4. Step 4: Simplify right side
    209,147.92x = 32,803,307,295.96
  5. Step 5: Solve for x
    x = 32,803,307,295.96/209,147.92
  6. Step 6: Final answer
    x = 156,842.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.