Home / 194,259.13-291,405.20-54,017.75

Finding the Fourth Proportional to 194,259.13, 291,405.20 and 54,017.75

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Solution

The fourth proportional to 194,259.13, 291,405.20 and 54,017.75 is: 81,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,259.13 : 291,405.20 = 54,017.75 : x
  2. Step 2: Convert to fraction form
    194,259.13/291,405.20 = 54,017.75/x
  3. Step 3: Cross multiply
    194,259.13x = 291,405.20 × 54,017.75
  4. Step 4: Simplify right side
    194,259.13x = 15,741,053,242.30
  5. Step 5: Solve for x
    x = 15,741,053,242.30/194,259.13
  6. Step 6: Final answer
    x = 81,031.21

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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.