Home / 183,715.12-275,501.83-71,380.55

Finding the Fourth Proportional to 183,715.12, 275,501.83 and 71,380.55

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Solution

The fourth proportional to 183,715.12, 275,501.83 and 71,380.55 is: 107,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,715.12 : 275,501.83 = 71,380.55 : x
  2. Step 2: Convert to fraction form
    183,715.12/275,501.83 = 71,380.55/x
  3. Step 3: Cross multiply
    183,715.12x = 275,501.83 × 71,380.55
  4. Step 4: Simplify right side
    183,715.12x = 19,665,472,221.46
  5. Step 5: Solve for x
    x = 19,665,472,221.46/183,715.12
  6. Step 6: Final answer
    x = 107,043.30

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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.