Home / 318,232.85-439,172.61-175,003.79

Finding the Fourth Proportional to 318,232.85, 439,172.61 and 175,003.79

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Solution

The fourth proportional to 318,232.85, 439,172.61 and 175,003.79 is: 241,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,232.85 : 439,172.61 = 175,003.79 : x
  2. Step 2: Convert to fraction form
    318,232.85/439,172.61 = 175,003.79/x
  3. Step 3: Cross multiply
    318,232.85x = 439,172.61 × 175,003.79
  4. Step 4: Simplify right side
    318,232.85x = 76,856,871,214.19
  5. Step 5: Solve for x
    x = 76,856,871,214.19/318,232.85
  6. Step 6: Final answer
    x = 241,511.43

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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.