Home / 122,253.39-168,713.22-68,539.31

Finding the Fourth Proportional to 122,253.39, 168,713.22 and 68,539.31

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Solution

The fourth proportional to 122,253.39, 168,713.22 and 68,539.31 is: 94,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,253.39 : 168,713.22 = 68,539.31 : x
  2. Step 2: Convert to fraction form
    122,253.39/168,713.22 = 68,539.31/x
  3. Step 3: Cross multiply
    122,253.39x = 168,713.22 × 68,539.31
  4. Step 4: Simplify right side
    122,253.39x = 11,563,486,843.11
  5. Step 5: Solve for x
    x = 11,563,486,843.11/122,253.39
  6. Step 6: Final answer
    x = 94,586.23

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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.