Home / 194,447.32-291,672.20-54,207.16

Finding the Fourth Proportional to 194,447.32, 291,672.20 and 54,207.16

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Solution

The fourth proportional to 194,447.32, 291,672.20 and 54,207.16 is: 81,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,447.32 : 291,672.20 = 54,207.16 : x
  2. Step 2: Convert to fraction form
    194,447.32/291,672.20 = 54,207.16/x
  3. Step 3: Cross multiply
    194,447.32x = 291,672.20 × 54,207.16
  4. Step 4: Simplify right side
    194,447.32x = 15,810,721,612.95
  5. Step 5: Solve for x
    x = 15,810,721,612.95/194,447.32
  6. Step 6: Final answer
    x = 81,311.08

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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.