Home / 313,326.20-432,390.70-170,086.34

Finding the Fourth Proportional to 313,326.20, 432,390.70 and 170,086.34

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Solution

The fourth proportional to 313,326.20, 432,390.70 and 170,086.34 is: 234,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,326.20 : 432,390.70 = 170,086.34 : x
  2. Step 2: Convert to fraction form
    313,326.20/432,390.70 = 170,086.34/x
  3. Step 3: Cross multiply
    313,326.20x = 432,390.70 × 170,086.34
  4. Step 4: Simplify right side
    313,326.20x = 73,543,751,613.04
  5. Step 5: Solve for x
    x = 73,543,751,613.04/313,326.20
  6. Step 6: Final answer
    x = 234,719.44

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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.