Home / 313,326.38-432,390.96-170,086.52

Finding the Fourth Proportional to 313,326.38, 432,390.96 and 170,086.52

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Solution

The fourth proportional to 313,326.38, 432,390.96 and 170,086.52 is: 234,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,326.38 : 432,390.96 = 170,086.52 : x
  2. Step 2: Convert to fraction form
    313,326.38/432,390.96 = 170,086.52/x
  3. Step 3: Cross multiply
    313,326.38x = 432,390.96 × 170,086.52
  4. Step 4: Simplify right side
    313,326.38x = 73,543,872,815.43
  5. Step 5: Solve for x
    x = 73,543,872,815.43/313,326.38
  6. Step 6: Final answer
    x = 234,719.70

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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.