Home / 157,974.36-217,902.78-94,263

Finding the Fourth Proportional to 157,974.36, 217,902.78 and 94,263

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Solution

The fourth proportional to 157,974.36, 217,902.78 and 94,263 is: 130,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,974.36 : 217,902.78 = 94,263 : x
  2. Step 2: Convert to fraction form
    157,974.36/217,902.78 = 94,263/x
  3. Step 3: Cross multiply
    157,974.36x = 217,902.78 × 94,263
  4. Step 4: Simplify right side
    157,974.36x = 20,540,169,751.14
  5. Step 5: Solve for x
    x = 20,540,169,751.14/157,974.36
  6. Step 6: Final answer
    x = 130,022.17

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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.