Home / 252,017.10-378,025.65-189,809.10

Finding the Fourth Proportional to 252,017.10, 378,025.65 and 189,809.10

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Solution

The fourth proportional to 252,017.10, 378,025.65 and 189,809.10 is: 284,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,017.10 : 378,025.65 = 189,809.10 : x
  2. Step 2: Convert to fraction form
    252,017.10/378,025.65 = 189,809.10/x
  3. Step 3: Cross multiply
    252,017.10x = 378,025.65 × 189,809.10
  4. Step 4: Simplify right side
    252,017.10x = 71,752,708,403.42
  5. Step 5: Solve for x
    x = 71,752,708,403.42/252,017.10
  6. Step 6: Final answer
    x = 284,713.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.