Home / 207,711.58-286,679.31-198,245.53

Finding the Fourth Proportional to 207,711.58, 286,679.31 and 198,245.53

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Solution

The fourth proportional to 207,711.58, 286,679.31 and 198,245.53 is: 273,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,711.58 : 286,679.31 = 198,245.53 : x
  2. Step 2: Convert to fraction form
    207,711.58/286,679.31 = 198,245.53/x
  3. Step 3: Cross multiply
    207,711.58x = 286,679.31 × 198,245.53
  4. Step 4: Simplify right side
    207,711.58x = 56,832,891,750.98
  5. Step 5: Solve for x
    x = 56,832,891,750.98/207,711.58
  6. Step 6: Final answer
    x = 273,614.46

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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.