Home / 313,256.45-432,294.31-170,016.49

Finding the Fourth Proportional to 313,256.45, 432,294.31 and 170,016.49

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Solution

The fourth proportional to 313,256.45, 432,294.31 and 170,016.49 is: 234,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,256.45 : 432,294.31 = 170,016.49 : x
  2. Step 2: Convert to fraction form
    313,256.45/432,294.31 = 170,016.49/x
  3. Step 3: Cross multiply
    313,256.45x = 432,294.31 × 170,016.49
  4. Step 4: Simplify right side
    313,256.45x = 73,497,161,233.17
  5. Step 5: Solve for x
    x = 73,497,161,233.17/313,256.45
  6. Step 6: Final answer
    x = 234,622.98

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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.