Home / 132,786.20-183,241.50-72,358.04

Finding the Fourth Proportional to 132,786.20, 183,241.50 and 72,358.04

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Solution

The fourth proportional to 132,786.20, 183,241.50 and 72,358.04 is: 99,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,786.20 : 183,241.50 = 72,358.04 : x
  2. Step 2: Convert to fraction form
    132,786.20/183,241.50 = 72,358.04/x
  3. Step 3: Cross multiply
    132,786.20x = 183,241.50 × 72,358.04
  4. Step 4: Simplify right side
    132,786.20x = 13,258,995,786.66
  5. Step 5: Solve for x
    x = 13,258,995,786.66/132,786.20
  6. Step 6: Final answer
    x = 99,852.21

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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.