Home / 275,746.16-380,470.68-160,972.71

Finding the Fourth Proportional to 275,746.16, 380,470.68 and 160,972.71

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Solution

The fourth proportional to 275,746.16, 380,470.68 and 160,972.71 is: 222,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,746.16 : 380,470.68 = 160,972.71 : x
  2. Step 2: Convert to fraction form
    275,746.16/380,470.68 = 160,972.71/x
  3. Step 3: Cross multiply
    275,746.16x = 380,470.68 × 160,972.71
  4. Step 4: Simplify right side
    275,746.16x = 61,245,396,933.17
  5. Step 5: Solve for x
    x = 61,245,396,933.17/275,746.16
  6. Step 6: Final answer
    x = 222,107.89

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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.