Home / 194,193.20-291,299.40-100,881.20

Finding the Fourth Proportional to 194,193.20, 291,299.40 and 100,881.20

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Solution

The fourth proportional to 194,193.20, 291,299.40 and 100,881.20 is: 151,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,193.20 : 291,299.40 = 100,881.20 : x
  2. Step 2: Convert to fraction form
    194,193.20/291,299.40 = 100,881.20/x
  3. Step 3: Cross multiply
    194,193.20x = 291,299.40 × 100,881.20
  4. Step 4: Simplify right side
    194,193.20x = 29,386,633,031.28
  5. Step 5: Solve for x
    x = 29,386,633,031.28/194,193.20
  6. Step 6: Final answer
    x = 151,326.79

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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.