Home / 220,672.08-304,521.48-120,067.92

Finding the Fourth Proportional to 220,672.08, 304,521.48 and 120,067.92

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Solution

The fourth proportional to 220,672.08, 304,521.48 and 120,067.92 is: 165,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,672.08 : 304,521.48 = 120,067.92 : x
  2. Step 2: Convert to fraction form
    220,672.08/304,521.48 = 120,067.92/x
  3. Step 3: Cross multiply
    220,672.08x = 304,521.48 × 120,067.92
  4. Step 4: Simplify right side
    220,672.08x = 36,563,260,698.92
  5. Step 5: Solve for x
    x = 36,563,260,698.92/220,672.08
  6. Step 6: Final answer
    x = 165,690.47

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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.