Home / 194,488.11-291,842.82-155,294.28

Finding the Fourth Proportional to 194,488.11, 291,842.82 and 155,294.28

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Solution

The fourth proportional to 194,488.11, 291,842.82 and 155,294.28 is: 233,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,488.11 : 291,842.82 = 155,294.28 : x
  2. Step 2: Convert to fraction form
    194,488.11/291,842.82 = 155,294.28/x
  3. Step 3: Cross multiply
    194,488.11x = 291,842.82 × 155,294.28
  4. Step 4: Simplify right side
    194,488.11x = 45,321,520,605.07
  5. Step 5: Solve for x
    x = 45,321,520,605.07/194,488.11
  6. Step 6: Final answer
    x = 233,029.78

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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.