Home / 256,876.20-385,199.10-116,562.60

Finding the Fourth Proportional to 256,876.20, 385,199.10 and 116,562.60

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Solution

The fourth proportional to 256,876.20, 385,199.10 and 116,562.60 is: 174,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,876.20 : 385,199.10 = 116,562.60 : x
  2. Step 2: Convert to fraction form
    256,876.20/385,199.10 = 116,562.60/x
  3. Step 3: Cross multiply
    256,876.20x = 385,199.10 × 116,562.60
  4. Step 4: Simplify right side
    256,876.20x = 44,899,808,613.66
  5. Step 5: Solve for x
    x = 44,899,808,613.66/256,876.20
  6. Step 6: Final answer
    x = 174,791.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.