Home / 271,287.56-406,964.02-130,947.50

Finding the Fourth Proportional to 271,287.56, 406,964.02 and 130,947.50

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Solution

The fourth proportional to 271,287.56, 406,964.02 and 130,947.50 is: 196,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,287.56 : 406,964.02 = 130,947.50 : x
  2. Step 2: Convert to fraction form
    271,287.56/406,964.02 = 130,947.50/x
  3. Step 3: Cross multiply
    271,287.56x = 406,964.02 × 130,947.50
  4. Step 4: Simplify right side
    271,287.56x = 53,290,921,008.95
  5. Step 5: Solve for x
    x = 53,290,921,008.95/271,287.56
  6. Step 6: Final answer
    x = 196,437.02

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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.