Home / 194,531.26-291,822.40-76,187.22

Finding the Fourth Proportional to 194,531.26, 291,822.40 and 76,187.22

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Solution

The fourth proportional to 194,531.26, 291,822.40 and 76,187.22 is: 114,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,531.26 : 291,822.40 = 76,187.22 : x
  2. Step 2: Convert to fraction form
    194,531.26/291,822.40 = 76,187.22/x
  3. Step 3: Cross multiply
    194,531.26x = 291,822.40 × 76,187.22
  4. Step 4: Simplify right side
    194,531.26x = 22,233,137,389.73
  5. Step 5: Solve for x
    x = 22,233,137,389.73/194,531.26
  6. Step 6: Final answer
    x = 114,290.82

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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.