Home / 132,725.50-183,161.20-73,109.50

Finding the Fourth Proportional to 132,725.50, 183,161.20 and 73,109.50

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Solution

The fourth proportional to 132,725.50, 183,161.20 and 73,109.50 is: 100,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,725.50 : 183,161.20 = 73,109.50 : x
  2. Step 2: Convert to fraction form
    132,725.50/183,161.20 = 73,109.50/x
  3. Step 3: Cross multiply
    132,725.50x = 183,161.20 × 73,109.50
  4. Step 4: Simplify right side
    132,725.50x = 13,390,823,751.40
  5. Step 5: Solve for x
    x = 13,390,823,751.40/132,725.50
  6. Step 6: Final answer
    x = 100,891.12

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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.