Home / 222,289.62-306,113.40-193,205.22

Finding the Fourth Proportional to 222,289.62, 306,113.40 and 193,205.22

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Solution

The fourth proportional to 222,289.62, 306,113.40 and 193,205.22 is: 266,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,289.62 : 306,113.40 = 193,205.22 : x
  2. Step 2: Convert to fraction form
    222,289.62/306,113.40 = 193,205.22/x
  3. Step 3: Cross multiply
    222,289.62x = 306,113.40 × 193,205.22
  4. Step 4: Simplify right side
    222,289.62x = 59,142,706,791.95
  5. Step 5: Solve for x
    x = 59,142,706,791.95/222,289.62
  6. Step 6: Final answer
    x = 266,061.49

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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.