Home / 167,542.02-251,312.42-72,759.87

Finding the Fourth Proportional to 167,542.02, 251,312.42 and 72,759.87

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Solution

The fourth proportional to 167,542.02, 251,312.42 and 72,759.87 is: 109,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,542.02 : 251,312.42 = 72,759.87 : x
  2. Step 2: Convert to fraction form
    167,542.02/251,312.42 = 72,759.87/x
  3. Step 3: Cross multiply
    167,542.02x = 251,312.42 × 72,759.87
  4. Step 4: Simplify right side
    167,542.02x = 18,285,459,190.49
  5. Step 5: Solve for x
    x = 18,285,459,190.49/167,542.02
  6. Step 6: Final answer
    x = 109,139.54

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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.