Home / 269,519.20-404,278.80-185,538.40

Finding the Fourth Proportional to 269,519.20, 404,278.80 and 185,538.40

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Solution

The fourth proportional to 269,519.20, 404,278.80 and 185,538.40 is: 278,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,519.20 : 404,278.80 = 185,538.40 : x
  2. Step 2: Convert to fraction form
    269,519.20/404,278.80 = 185,538.40/x
  3. Step 3: Cross multiply
    269,519.20x = 404,278.80 × 185,538.40
  4. Step 4: Simplify right side
    269,519.20x = 75,009,241,705.92
  5. Step 5: Solve for x
    x = 75,009,241,705.92/269,519.20
  6. Step 6: Final answer
    x = 278,307.60

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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.