Home / 115,222.03-172,567.50-111,232.61

Finding the Fourth Proportional to 115,222.03, 172,567.50 and 111,232.61

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Solution

The fourth proportional to 115,222.03, 172,567.50 and 111,232.61 is: 166,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,222.03 : 172,567.50 = 111,232.61 : x
  2. Step 2: Convert to fraction form
    115,222.03/172,567.50 = 111,232.61/x
  3. Step 3: Cross multiply
    115,222.03x = 172,567.50 × 111,232.61
  4. Step 4: Simplify right side
    115,222.03x = 19,195,132,793.34
  5. Step 5: Solve for x
    x = 19,195,132,793.34/115,222.03
  6. Step 6: Final answer
    x = 166,592.56

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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.