Home / 131,164.05-196,944.08-104,790.45

Finding the Fourth Proportional to 131,164.05, 196,944.08 and 104,790.45

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Solution

The fourth proportional to 131,164.05, 196,944.08 and 104,790.45 is: 157,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,164.05 : 196,944.08 = 104,790.45 : x
  2. Step 2: Convert to fraction form
    131,164.05/196,944.08 = 104,790.45/x
  3. Step 3: Cross multiply
    131,164.05x = 196,944.08 × 104,790.45
  4. Step 4: Simplify right side
    131,164.05x = 20,637,858,244.08
  5. Step 5: Solve for x
    x = 20,637,858,244.08/131,164.05
  6. Step 6: Final answer
    x = 157,343.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.