Home / 122,044.82-168,428.10-68,326.63

Finding the Fourth Proportional to 122,044.82, 168,428.10 and 68,326.63

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Solution

The fourth proportional to 122,044.82, 168,428.10 and 68,326.63 is: 94,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,044.82 : 168,428.10 = 68,326.63 : x
  2. Step 2: Convert to fraction form
    122,044.82/168,428.10 = 68,326.63/x
  3. Step 3: Cross multiply
    122,044.82x = 168,428.10 × 68,326.63
  4. Step 4: Simplify right side
    122,044.82x = 11,508,124,470.30
  5. Step 5: Solve for x
    x = 11,508,124,470.30/122,044.82
  6. Step 6: Final answer
    x = 94,294.25

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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.