Home / 313,370.87-432,023.34-215,251.11

Finding the Fourth Proportional to 313,370.87, 432,023.34 and 215,251.11

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Solution

The fourth proportional to 313,370.87, 432,023.34 and 215,251.11 is: 296,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,370.87 : 432,023.34 = 215,251.11 : x
  2. Step 2: Convert to fraction form
    313,370.87/432,023.34 = 215,251.11/x
  3. Step 3: Cross multiply
    313,370.87x = 432,023.34 × 215,251.11
  4. Step 4: Simplify right side
    313,370.87x = 92,993,503,480.91
  5. Step 5: Solve for x
    x = 92,993,503,480.91/313,370.87
  6. Step 6: Final answer
    x = 296,752.23

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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.