Home / 132,349.43-182,642.07-71,919.93

Finding the Fourth Proportional to 132,349.43, 182,642.07 and 71,919.93

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Solution

The fourth proportional to 132,349.43, 182,642.07 and 71,919.93 is: 99,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,349.43 : 182,642.07 = 71,919.93 : x
  2. Step 2: Convert to fraction form
    132,349.43/182,642.07 = 71,919.93/x
  3. Step 3: Cross multiply
    132,349.43x = 182,642.07 × 71,919.93
  4. Step 4: Simplify right side
    132,349.43x = 13,135,604,889.46
  5. Step 5: Solve for x
    x = 13,135,604,889.46/132,349.43
  6. Step 6: Final answer
    x = 99,249.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.