Home / 223,799.82-308,834.10-121,825.44

Finding the Fourth Proportional to 223,799.82, 308,834.10 and 121,825.44

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Solution

The fourth proportional to 223,799.82, 308,834.10 and 121,825.44 is: 168,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,799.82 : 308,834.10 = 121,825.44 : x
  2. Step 2: Convert to fraction form
    223,799.82/308,834.10 = 121,825.44/x
  3. Step 3: Cross multiply
    223,799.82x = 308,834.10 × 121,825.44
  4. Step 4: Simplify right side
    223,799.82x = 37,623,850,119.50
  5. Step 5: Solve for x
    x = 37,623,850,119.50/223,799.82
  6. Step 6: Final answer
    x = 168,113.85

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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.