Home / 327,534.12-491,008.98-127,808.05

Finding the Fourth Proportional to 327,534.12, 491,008.98 and 127,808.05

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Solution

The fourth proportional to 327,534.12, 491,008.98 and 127,808.05 is: 191,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,534.12 : 491,008.98 = 127,808.05 : x
  2. Step 2: Convert to fraction form
    327,534.12/491,008.98 = 127,808.05/x
  3. Step 3: Cross multiply
    327,534.12x = 491,008.98 × 127,808.05
  4. Step 4: Simplify right side
    327,534.12x = 62,754,900,266.29
  5. Step 5: Solve for x
    x = 62,754,900,266.29/327,534.12
  6. Step 6: Final answer
    x = 191,598.05

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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.