Home / 313,459.38-432,600.75-177,517.35

Finding the Fourth Proportional to 313,459.38, 432,600.75 and 177,517.35

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Solution

The fourth proportional to 313,459.38, 432,600.75 and 177,517.35 is: 244,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,459.38 : 432,600.75 = 177,517.35 : x
  2. Step 2: Convert to fraction form
    313,459.38/432,600.75 = 177,517.35/x
  3. Step 3: Cross multiply
    313,459.38x = 432,600.75 × 177,517.35
  4. Step 4: Simplify right side
    313,459.38x = 76,794,138,748.01
  5. Step 5: Solve for x
    x = 76,794,138,748.01/313,459.38
  6. Step 6: Final answer
    x = 244,989.12

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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.