Home / 330,521.75-456,120.02-179,618.75

Finding the Fourth Proportional to 330,521.75, 456,120.02 and 179,618.75

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Solution

The fourth proportional to 330,521.75, 456,120.02 and 179,618.75 is: 247,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,521.75 : 456,120.02 = 179,618.75 : x
  2. Step 2: Convert to fraction form
    330,521.75/456,120.02 = 179,618.75/x
  3. Step 3: Cross multiply
    330,521.75x = 456,120.02 × 179,618.75
  4. Step 4: Simplify right side
    330,521.75x = 81,927,707,842.38
  5. Step 5: Solve for x
    x = 81,927,707,842.38/330,521.75
  6. Step 6: Final answer
    x = 247,873.88

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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.