Home / 132,881.25-199,415.27-120,176.48

Finding the Fourth Proportional to 132,881.25, 199,415.27 and 120,176.48

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Solution

The fourth proportional to 132,881.25, 199,415.27 and 120,176.48 is: 180,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,881.25 : 199,415.27 = 120,176.48 : x
  2. Step 2: Convert to fraction form
    132,881.25/199,415.27 = 120,176.48/x
  3. Step 3: Cross multiply
    132,881.25x = 199,415.27 × 120,176.48
  4. Step 4: Simplify right side
    132,881.25x = 23,965,026,005.83
  5. Step 5: Solve for x
    x = 23,965,026,005.83/132,881.25
  6. Step 6: Final answer
    x = 180,349.19

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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.