Home / 286,535.76-395,421.69-179,168.04

Finding the Fourth Proportional to 286,535.76, 395,421.69 and 179,168.04

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Solution

The fourth proportional to 286,535.76, 395,421.69 and 179,168.04 is: 247,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,535.76 : 395,421.69 = 179,168.04 : x
  2. Step 2: Convert to fraction form
    286,535.76/395,421.69 = 179,168.04/x
  3. Step 3: Cross multiply
    286,535.76x = 395,421.69 × 179,168.04
  4. Step 4: Simplify right side
    286,535.76x = 70,846,929,170.79
  5. Step 5: Solve for x
    x = 70,846,929,170.79/286,535.76
  6. Step 6: Final answer
    x = 247,253.36

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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.