Home / 207,577.40-311,366.38-57,818.12

Finding the Fourth Proportional to 207,577.40, 311,366.38 and 57,818.12

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Solution

The fourth proportional to 207,577.40, 311,366.38 and 57,818.12 is: 86,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,577.40 : 311,366.38 = 57,818.12 : x
  2. Step 2: Convert to fraction form
    207,577.40/311,366.38 = 57,818.12/x
  3. Step 3: Cross multiply
    207,577.40x = 311,366.38 × 57,818.12
  4. Step 4: Simplify right side
    207,577.40x = 18,002,618,722.81
  5. Step 5: Solve for x
    x = 18,002,618,722.81/207,577.40
  6. Step 6: Final answer
    x = 86,727.26

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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.