Home / 313,623.43-432,799.20-170,382.22

Finding the Fourth Proportional to 313,623.43, 432,799.20 and 170,382.22

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Solution

The fourth proportional to 313,623.43, 432,799.20 and 170,382.22 is: 235,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,623.43 : 432,799.20 = 170,382.22 : x
  2. Step 2: Convert to fraction form
    313,623.43/432,799.20 = 170,382.22/x
  3. Step 3: Cross multiply
    313,623.43x = 432,799.20 × 170,382.22
  4. Step 4: Simplify right side
    313,623.43x = 73,741,287,428.23
  5. Step 5: Solve for x
    x = 73,741,287,428.23/313,623.43
  6. Step 6: Final answer
    x = 235,126.85

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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.