Home / 121,657.33-166,667.77-117,108.84

Finding the Fourth Proportional to 121,657.33, 166,667.77 and 117,108.84

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Solution

The fourth proportional to 121,657.33, 166,667.77 and 117,108.84 is: 160,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,657.33 : 166,667.77 = 117,108.84 : x
  2. Step 2: Convert to fraction form
    121,657.33/166,667.77 = 117,108.84/x
  3. Step 3: Cross multiply
    121,657.33x = 166,667.77 × 117,108.84
  4. Step 4: Simplify right side
    121,657.33x = 19,518,268,591.09
  5. Step 5: Solve for x
    x = 19,518,268,591.09/121,657.33
  6. Step 6: Final answer
    x = 160,436.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.