Home / 352,423.18-486,344.22-191,278.23

Finding the Fourth Proportional to 352,423.18, 486,344.22 and 191,278.23

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Solution

The fourth proportional to 352,423.18, 486,344.22 and 191,278.23 is: 263,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,423.18 : 486,344.22 = 191,278.23 : x
  2. Step 2: Convert to fraction form
    352,423.18/486,344.22 = 191,278.23/x
  3. Step 3: Cross multiply
    352,423.18x = 486,344.22 × 191,278.23
  4. Step 4: Simplify right side
    352,423.18x = 93,027,061,572.33
  5. Step 5: Solve for x
    x = 93,027,061,572.33/352,423.18
  6. Step 6: Final answer
    x = 263,964.08

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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.