Home / 122,033.52-168,398.34-68,318.10

Finding the Fourth Proportional to 122,033.52, 168,398.34 and 68,318.10

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Solution

The fourth proportional to 122,033.52, 168,398.34 and 68,318.10 is: 94,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,033.52 : 168,398.34 = 68,318.10 : x
  2. Step 2: Convert to fraction form
    122,033.52/168,398.34 = 68,318.10/x
  3. Step 3: Cross multiply
    122,033.52x = 168,398.34 × 68,318.10
  4. Step 4: Simplify right side
    122,033.52x = 11,504,654,631.95
  5. Step 5: Solve for x
    x = 11,504,654,631.95/122,033.52
  6. Step 6: Final answer
    x = 94,274.55

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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.