Home / 194,249.16-291,253.14-81,871.56

Finding the Fourth Proportional to 194,249.16, 291,253.14 and 81,871.56

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Solution

The fourth proportional to 194,249.16, 291,253.14 and 81,871.56 is: 122,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,249.16 : 291,253.14 = 81,871.56 : x
  2. Step 2: Convert to fraction form
    194,249.16/291,253.14 = 81,871.56/x
  3. Step 3: Cross multiply
    194,249.16x = 291,253.14 × 81,871.56
  4. Step 4: Simplify right side
    194,249.16x = 23,845,348,926.70
  5. Step 5: Solve for x
    x = 23,845,348,926.70/194,249.16
  6. Step 6: Final answer
    x = 122,756.51

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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.