Home / 283,517.21-391,080.71-168,718.85

Finding the Fourth Proportional to 283,517.21, 391,080.71 and 168,718.85

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Solution

The fourth proportional to 283,517.21, 391,080.71 and 168,718.85 is: 232,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,517.21 : 391,080.71 = 168,718.85 : x
  2. Step 2: Convert to fraction form
    283,517.21/391,080.71 = 168,718.85/x
  3. Step 3: Cross multiply
    283,517.21x = 391,080.71 × 168,718.85
  4. Step 4: Simplify right side
    283,517.21x = 65,982,686,632.29
  5. Step 5: Solve for x
    x = 65,982,686,632.29/283,517.21
  6. Step 6: Final answer
    x = 232,729.03

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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.