Home / 276,036.20-414,387.10-157,789.80

Finding the Fourth Proportional to 276,036.20, 414,387.10 and 157,789.80

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Solution

The fourth proportional to 276,036.20, 414,387.10 and 157,789.80 is: 236,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,036.20 : 414,387.10 = 157,789.80 : x
  2. Step 2: Convert to fraction form
    276,036.20/414,387.10 = 157,789.80/x
  3. Step 3: Cross multiply
    276,036.20x = 414,387.10 × 157,789.80
  4. Step 4: Simplify right side
    276,036.20x = 65,386,057,631.58
  5. Step 5: Solve for x
    x = 65,386,057,631.58/276,036.20
  6. Step 6: Final answer
    x = 236,874.94

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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.