Home / 263,326.78-395,049.45-83,423.05

Finding the Fourth Proportional to 263,326.78, 395,049.45 and 83,423.05

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Solution

The fourth proportional to 263,326.78, 395,049.45 and 83,423.05 is: 125,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,326.78 : 395,049.45 = 83,423.05 : x
  2. Step 2: Convert to fraction form
    263,326.78/395,049.45 = 83,423.05/x
  3. Step 3: Cross multiply
    263,326.78x = 395,049.45 × 83,423.05
  4. Step 4: Simplify right side
    263,326.78x = 32,956,229,345.04
  5. Step 5: Solve for x
    x = 32,956,229,345.04/263,326.78
  6. Step 6: Final answer
    x = 125,153.35

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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.