Home / 318,328.20-439,293.15-175,099.14

Finding the Fourth Proportional to 318,328.20, 439,293.15 and 175,099.14

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Solution

The fourth proportional to 318,328.20, 439,293.15 and 175,099.14 is: 241,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,328.20 : 439,293.15 = 175,099.14 : x
  2. Step 2: Convert to fraction form
    318,328.20/439,293.15 = 175,099.14/x
  3. Step 3: Cross multiply
    318,328.20x = 439,293.15 × 175,099.14
  4. Step 4: Simplify right side
    318,328.20x = 76,919,853,433.38
  5. Step 5: Solve for x
    x = 76,919,853,433.38/318,328.20
  6. Step 6: Final answer
    x = 241,636.94

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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.