Home / 132,840.77-199,299.96-42,881.39

Finding the Fourth Proportional to 132,840.77, 199,299.96 and 42,881.39

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Solution

The fourth proportional to 132,840.77, 199,299.96 and 42,881.39 is: 64,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,840.77 : 199,299.96 = 42,881.39 : x
  2. Step 2: Convert to fraction form
    132,840.77/199,299.96 = 42,881.39/x
  3. Step 3: Cross multiply
    132,840.77x = 199,299.96 × 42,881.39
  4. Step 4: Simplify right side
    132,840.77x = 8,546,258,315.24
  5. Step 5: Solve for x
    x = 8,546,258,315.24/132,840.77
  6. Step 6: Final answer
    x = 64,334.61

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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.