Home / 385,196.88-531,741.95-230,202.85

Finding the Fourth Proportional to 385,196.88, 531,741.95 and 230,202.85

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Solution

The fourth proportional to 385,196.88, 531,741.95 and 230,202.85 is: 317,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,196.88 : 531,741.95 = 230,202.85 : x
  2. Step 2: Convert to fraction form
    385,196.88/531,741.95 = 230,202.85/x
  3. Step 3: Cross multiply
    385,196.88x = 531,741.95 × 230,202.85
  4. Step 4: Simplify right side
    385,196.88x = 122,408,512,354.56
  5. Step 5: Solve for x
    x = 122,408,512,354.56/385,196.88
  6. Step 6: Final answer
    x = 317,781.68

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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.