Home / 295,986.30-443,979.45-129,774.30

Finding the Fourth Proportional to 295,986.30, 443,979.45 and 129,774.30

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Solution

The fourth proportional to 295,986.30, 443,979.45 and 129,774.30 is: 194,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,986.30 : 443,979.45 = 129,774.30 : x
  2. Step 2: Convert to fraction form
    295,986.30/443,979.45 = 129,774.30/x
  3. Step 3: Cross multiply
    295,986.30x = 443,979.45 × 129,774.30
  4. Step 4: Simplify right side
    295,986.30x = 57,617,122,338.14
  5. Step 5: Solve for x
    x = 57,617,122,338.14/295,986.30
  6. Step 6: Final answer
    x = 194,661.45

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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.