Home / 173,069.52-238,857.84-100,456.89

Finding the Fourth Proportional to 173,069.52, 238,857.84 and 100,456.89

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Solution

The fourth proportional to 173,069.52, 238,857.84 and 100,456.89 is: 138,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,069.52 : 238,857.84 = 100,456.89 : x
  2. Step 2: Convert to fraction form
    173,069.52/238,857.84 = 100,456.89/x
  3. Step 3: Cross multiply
    173,069.52x = 238,857.84 × 100,456.89
  4. Step 4: Simplify right side
    173,069.52x = 23,994,915,758.52
  5. Step 5: Solve for x
    x = 23,994,915,758.52/173,069.52
  6. Step 6: Final answer
    x = 138,643.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.