Home / 209,118.76-288,585.06-113,626.24

Finding the Fourth Proportional to 209,118.76, 288,585.06 and 113,626.24

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Solution

The fourth proportional to 209,118.76, 288,585.06 and 113,626.24 is: 156,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,118.76 : 288,585.06 = 113,626.24 : x
  2. Step 2: Convert to fraction form
    209,118.76/288,585.06 = 113,626.24/x
  3. Step 3: Cross multiply
    209,118.76x = 288,585.06 × 113,626.24
  4. Step 4: Simplify right side
    209,118.76x = 32,790,835,287.97
  5. Step 5: Solve for x
    x = 32,790,835,287.97/209,118.76
  6. Step 6: Final answer
    x = 156,804.85

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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.