Home / 342,908.25-473,104.03-222,142.11

Finding the Fourth Proportional to 342,908.25, 473,104.03 and 222,142.11

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Solution

The fourth proportional to 342,908.25, 473,104.03 and 222,142.11 is: 306,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,908.25 : 473,104.03 = 222,142.11 : x
  2. Step 2: Convert to fraction form
    342,908.25/473,104.03 = 222,142.11/x
  3. Step 3: Cross multiply
    342,908.25x = 473,104.03 × 222,142.11
  4. Step 4: Simplify right side
    342,908.25x = 105,096,327,473.70
  5. Step 5: Solve for x
    x = 105,096,327,473.70/342,908.25
  6. Step 6: Final answer
    x = 306,485.27

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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.