Home / 313,757.18-432,988.26-170,517.22

Finding the Fourth Proportional to 313,757.18, 432,988.26 and 170,517.22

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Solution

The fourth proportional to 313,757.18, 432,988.26 and 170,517.22 is: 235,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,757.18 : 432,988.26 = 170,517.22 : x
  2. Step 2: Convert to fraction form
    313,757.18/432,988.26 = 170,517.22/x
  3. Step 3: Cross multiply
    313,757.18x = 432,988.26 × 170,517.22
  4. Step 4: Simplify right side
    313,757.18x = 73,831,954,387.84
  5. Step 5: Solve for x
    x = 73,831,954,387.84/313,757.18
  6. Step 6: Final answer
    x = 235,315.59

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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.