Home / 163,656.50-225,799.38-98,218.73

Finding the Fourth Proportional to 163,656.50, 225,799.38 and 98,218.73

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Solution

The fourth proportional to 163,656.50, 225,799.38 and 98,218.73 is: 135,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,656.50 : 225,799.38 = 98,218.73 : x
  2. Step 2: Convert to fraction form
    163,656.50/225,799.38 = 98,218.73/x
  3. Step 3: Cross multiply
    163,656.50x = 225,799.38 × 98,218.73
  4. Step 4: Simplify right side
    163,656.50x = 22,177,728,902.89
  5. Step 5: Solve for x
    x = 22,177,728,902.89/163,656.50
  6. Step 6: Final answer
    x = 135,513.89

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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.