Home / 122,270.48-168,671.16-79,853.84

Finding the Fourth Proportional to 122,270.48, 168,671.16 and 79,853.84

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Solution

The fourth proportional to 122,270.48, 168,671.16 and 79,853.84 is: 110,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,270.48 : 168,671.16 = 79,853.84 : x
  2. Step 2: Convert to fraction form
    122,270.48/168,671.16 = 79,853.84/x
  3. Step 3: Cross multiply
    122,270.48x = 168,671.16 × 79,853.84
  4. Step 4: Simplify right side
    122,270.48x = 13,469,039,823.25
  5. Step 5: Solve for x
    x = 13,469,039,823.25/122,270.48
  6. Step 6: Final answer
    x = 110,157.74

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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.