Home / 132,461.78-182,791.67-75,104.93

Finding the Fourth Proportional to 132,461.78, 182,791.67 and 75,104.93

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Solution

The fourth proportional to 132,461.78, 182,791.67 and 75,104.93 is: 103,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,461.78 : 182,791.67 = 75,104.93 : x
  2. Step 2: Convert to fraction form
    132,461.78/182,791.67 = 75,104.93/x
  3. Step 3: Cross multiply
    132,461.78x = 182,791.67 × 75,104.93
  4. Step 4: Simplify right side
    132,461.78x = 13,728,555,661.39
  5. Step 5: Solve for x
    x = 13,728,555,661.39/132,461.78
  6. Step 6: Final answer
    x = 103,641.64

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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.