Home / 171,474.12-236,696.34-139,587.66

Finding the Fourth Proportional to 171,474.12, 236,696.34 and 139,587.66

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Solution

The fourth proportional to 171,474.12, 236,696.34 and 139,587.66 is: 192,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,474.12 : 236,696.34 = 139,587.66 : x
  2. Step 2: Convert to fraction form
    171,474.12/236,696.34 = 139,587.66/x
  3. Step 3: Cross multiply
    171,474.12x = 236,696.34 × 139,587.66
  4. Step 4: Simplify right side
    171,474.12x = 33,039,888,231.16
  5. Step 5: Solve for x
    x = 33,039,888,231.16/171,474.12
  6. Step 6: Final answer
    x = 192,681.49

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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.