Home / 207,246.20-310,869.30-57,486.20

Finding the Fourth Proportional to 207,246.20, 310,869.30 and 57,486.20

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Solution

The fourth proportional to 207,246.20, 310,869.30 and 57,486.20 is: 86,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,246.20 : 310,869.30 = 57,486.20 : x
  2. Step 2: Convert to fraction form
    207,246.20/310,869.30 = 57,486.20/x
  3. Step 3: Cross multiply
    207,246.20x = 310,869.30 × 57,486.20
  4. Step 4: Simplify right side
    207,246.20x = 17,870,694,753.66
  5. Step 5: Solve for x
    x = 17,870,694,753.66/207,246.20
  6. Step 6: Final answer
    x = 86,229.30

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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.