Home / 352,423.15-486,336.69-199,458.61

Finding the Fourth Proportional to 352,423.15, 486,336.69 and 199,458.61

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Solution

The fourth proportional to 352,423.15, 486,336.69 and 199,458.61 is: 275,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,423.15 : 486,336.69 = 199,458.61 : x
  2. Step 2: Convert to fraction form
    352,423.15/486,336.69 = 199,458.61/x
  3. Step 3: Cross multiply
    352,423.15x = 486,336.69 × 199,458.61
  4. Step 4: Simplify right side
    352,423.15x = 97,004,038,963.56
  5. Step 5: Solve for x
    x = 97,004,038,963.56/352,423.15
  6. Step 6: Final answer
    x = 275,248.77

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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.