Home / 197,923.68-273,164.40-155,799.36

Finding the Fourth Proportional to 197,923.68, 273,164.40 and 155,799.36

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Solution

The fourth proportional to 197,923.68, 273,164.40 and 155,799.36 is: 215,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,923.68 : 273,164.40 = 155,799.36 : x
  2. Step 2: Convert to fraction form
    197,923.68/273,164.40 = 155,799.36/x
  3. Step 3: Cross multiply
    197,923.68x = 273,164.40 × 155,799.36
  4. Step 4: Simplify right side
    197,923.68x = 42,558,838,694.78
  5. Step 5: Solve for x
    x = 42,558,838,694.78/197,923.68
  6. Step 6: Final answer
    x = 215,026.51

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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.