Home / 132,106.90-181,186.59-126,681.72

Finding the Fourth Proportional to 132,106.90, 181,186.59 and 126,681.72

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Solution

The fourth proportional to 132,106.90, 181,186.59 and 126,681.72 is: 173,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,106.90 : 181,186.59 = 126,681.72 : x
  2. Step 2: Convert to fraction form
    132,106.90/181,186.59 = 126,681.72/x
  3. Step 3: Cross multiply
    132,106.90x = 181,186.59 × 126,681.72
  4. Step 4: Simplify right side
    132,106.90x = 22,953,028,228.73
  5. Step 5: Solve for x
    x = 22,953,028,228.73/132,106.90
  6. Step 6: Final answer
    x = 173,745.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.