Home / 172,581.24-258,904.50-67,393.56

Finding the Fourth Proportional to 172,581.24, 258,904.50 and 67,393.56

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Solution

The fourth proportional to 172,581.24, 258,904.50 and 67,393.56 is: 101,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,581.24 : 258,904.50 = 67,393.56 : x
  2. Step 2: Convert to fraction form
    172,581.24/258,904.50 = 67,393.56/x
  3. Step 3: Cross multiply
    172,581.24x = 258,904.50 × 67,393.56
  4. Step 4: Simplify right side
    172,581.24x = 17,448,495,955.02
  5. Step 5: Solve for x
    x = 17,448,495,955.02/172,581.24
  6. Step 6: Final answer
    x = 101,103.09

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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.