Home / 132,386.25-182,567.30-87,102.66

Finding the Fourth Proportional to 132,386.25, 182,567.30 and 87,102.66

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Solution

The fourth proportional to 132,386.25, 182,567.30 and 87,102.66 is: 120,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,386.25 : 182,567.30 = 87,102.66 : x
  2. Step 2: Convert to fraction form
    132,386.25/182,567.30 = 87,102.66/x
  3. Step 3: Cross multiply
    132,386.25x = 182,567.30 × 87,102.66
  4. Step 4: Simplify right side
    132,386.25x = 15,902,097,023.50
  5. Step 5: Solve for x
    x = 15,902,097,023.50/132,386.25
  6. Step 6: Final answer
    x = 120,118.95

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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.