Home / 169,442.06-234,073.33-135,405.95

Finding the Fourth Proportional to 169,442.06, 234,073.33 and 135,405.95

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Solution

The fourth proportional to 169,442.06, 234,073.33 and 135,405.95 is: 187,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,442.06 : 234,073.33 = 135,405.95 : x
  2. Step 2: Convert to fraction form
    169,442.06/234,073.33 = 135,405.95/x
  3. Step 3: Cross multiply
    169,442.06x = 234,073.33 × 135,405.95
  4. Step 4: Simplify right side
    169,442.06x = 31,694,920,109.43
  5. Step 5: Solve for x
    x = 31,694,920,109.43/169,442.06
  6. Step 6: Final answer
    x = 187,054.63

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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.