Home / 172,986.75-238,721.72-93,498.75

Finding the Fourth Proportional to 172,986.75, 238,721.72 and 93,498.75

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Solution

The fourth proportional to 172,986.75, 238,721.72 and 93,498.75 is: 129,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,986.75 : 238,721.72 = 93,498.75 : x
  2. Step 2: Convert to fraction form
    172,986.75/238,721.72 = 93,498.75/x
  3. Step 3: Cross multiply
    172,986.75x = 238,721.72 × 93,498.75
  4. Step 4: Simplify right side
    172,986.75x = 22,320,181,950.36
  5. Step 5: Solve for x
    x = 22,320,181,950.36/172,986.75
  6. Step 6: Final answer
    x = 129,028.28

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1.5x scale

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.