Home / 202,133.07-278,921.34-117,233.73

Finding the Fourth Proportional to 202,133.07, 278,921.34 and 117,233.73

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Solution

The fourth proportional to 202,133.07, 278,921.34 and 117,233.73 is: 161,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133.07 : 278,921.34 = 117,233.73 : x
  2. Step 2: Convert to fraction form
    202,133.07/278,921.34 = 117,233.73/x
  3. Step 3: Cross multiply
    202,133.07x = 278,921.34 × 117,233.73
  4. Step 4: Simplify right side
    202,133.07x = 32,698,989,064.80
  5. Step 5: Solve for x
    x = 32,698,989,064.80/202,133.07
  6. Step 6: Final answer
    x = 161,769.62

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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.