Home / 194,380.68-291,587.72-54,139.32

Finding the Fourth Proportional to 194,380.68, 291,587.72 and 54,139.32

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Solution

The fourth proportional to 194,380.68, 291,587.72 and 54,139.32 is: 81,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,380.68 : 291,587.72 = 54,139.32 : x
  2. Step 2: Convert to fraction form
    194,380.68/291,587.72 = 54,139.32/x
  3. Step 3: Cross multiply
    194,380.68x = 291,587.72 × 54,139.32
  4. Step 4: Simplify right side
    194,380.68x = 15,786,360,881.15
  5. Step 5: Solve for x
    x = 15,786,360,881.15/194,380.68
  6. Step 6: Final answer
    x = 81,213.63

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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.