Home / 183,705.40-275,720.10-108,731.80

Finding the Fourth Proportional to 183,705.40, 275,720.10 and 108,731.80

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Solution

The fourth proportional to 183,705.40, 275,720.10 and 108,731.80 is: 163,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,705.40 : 275,720.10 = 108,731.80 : x
  2. Step 2: Convert to fraction form
    183,705.40/275,720.10 = 108,731.80/x
  3. Step 3: Cross multiply
    183,705.40x = 275,720.10 × 108,731.80
  4. Step 4: Simplify right side
    183,705.40x = 29,979,542,769.18
  5. Step 5: Solve for x
    x = 29,979,542,769.18/183,705.40
  6. Step 6: Final answer
    x = 163,193.58

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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.