Home / 194,130.97-291,301.09-81,888.96

Finding the Fourth Proportional to 194,130.97, 291,301.09 and 81,888.96

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Solution

The fourth proportional to 194,130.97, 291,301.09 and 81,888.96 is: 122,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,130.97 : 291,301.09 = 81,888.96 : x
  2. Step 2: Convert to fraction form
    194,130.97/291,301.09 = 81,888.96/x
  3. Step 3: Cross multiply
    194,130.97x = 291,301.09 × 81,888.96
  4. Step 4: Simplify right side
    194,130.97x = 23,854,343,306.97
  5. Step 5: Solve for x
    x = 23,854,343,306.97/194,130.97
  6. Step 6: Final answer
    x = 122,877.58

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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.