Home / 194,630.60-291,945.90-69,984.20

Finding the Fourth Proportional to 194,630.60, 291,945.90 and 69,984.20

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Solution

The fourth proportional to 194,630.60, 291,945.90 and 69,984.20 is: 104,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,630.60 : 291,945.90 = 69,984.20 : x
  2. Step 2: Convert to fraction form
    194,630.60/291,945.90 = 69,984.20/x
  3. Step 3: Cross multiply
    194,630.60x = 291,945.90 × 69,984.20
  4. Step 4: Simplify right side
    194,630.60x = 20,431,600,254.78
  5. Step 5: Solve for x
    x = 20,431,600,254.78/194,630.60
  6. Step 6: Final answer
    x = 104,976.30

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Similar ratio
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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.