Home / 132,975.66-183,481.35-79,265.67

Finding the Fourth Proportional to 132,975.66, 183,481.35 and 79,265.67

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Solution

The fourth proportional to 132,975.66, 183,481.35 and 79,265.67 is: 109,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,975.66 : 183,481.35 = 79,265.67 : x
  2. Step 2: Convert to fraction form
    132,975.66/183,481.35 = 79,265.67/x
  3. Step 3: Cross multiply
    132,975.66x = 183,481.35 × 79,265.67
  4. Step 4: Simplify right side
    132,975.66x = 14,543,772,140.25
  5. Step 5: Solve for x
    x = 14,543,772,140.25/132,975.66
  6. Step 6: Final answer
    x = 109,371.69

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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.