Home / 188,446.85-260,078.78-111,966.57

Finding the Fourth Proportional to 188,446.85, 260,078.78 and 111,966.57

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Solution

The fourth proportional to 188,446.85, 260,078.78 and 111,966.57 is: 154,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,446.85 : 260,078.78 = 111,966.57 : x
  2. Step 2: Convert to fraction form
    188,446.85/260,078.78 = 111,966.57/x
  3. Step 3: Cross multiply
    188,446.85x = 260,078.78 × 111,966.57
  4. Step 4: Simplify right side
    188,446.85x = 29,120,128,366.55
  5. Step 5: Solve for x
    x = 29,120,128,366.55/188,446.85
  6. Step 6: Final answer
    x = 154,527.01

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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.