Home / 262,103.89-392,488.80-173,224.21

Finding the Fourth Proportional to 262,103.89, 392,488.80 and 173,224.21

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Solution

The fourth proportional to 262,103.89, 392,488.80 and 173,224.21 is: 259,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,103.89 : 392,488.80 = 173,224.21 : x
  2. Step 2: Convert to fraction form
    262,103.89/392,488.80 = 173,224.21/x
  3. Step 3: Cross multiply
    262,103.89x = 392,488.80 × 173,224.21
  4. Step 4: Simplify right side
    262,103.89x = 67,988,563,944.66
  5. Step 5: Solve for x
    x = 67,988,563,944.66/262,103.89
  6. Step 6: Final answer
    x = 259,395.48

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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.