Home / 122,426.22-168,943.86-68,714.28

Finding the Fourth Proportional to 122,426.22, 168,943.86 and 68,714.28

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Solution

The fourth proportional to 122,426.22, 168,943.86 and 68,714.28 is: 94,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,426.22 : 168,943.86 = 68,714.28 : x
  2. Step 2: Convert to fraction form
    122,426.22/168,943.86 = 68,714.28/x
  3. Step 3: Cross multiply
    122,426.22x = 168,943.86 × 68,714.28
  4. Step 4: Simplify right side
    122,426.22x = 11,608,855,700.32
  5. Step 5: Solve for x
    x = 11,608,855,700.32/122,426.22
  6. Step 6: Final answer
    x = 94,823.28

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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.