Home / 186,640.92-257,556.78-104,966.82

Finding the Fourth Proportional to 186,640.92, 257,556.78 and 104,966.82

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Solution

The fourth proportional to 186,640.92, 257,556.78 and 104,966.82 is: 144,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,640.92 : 257,556.78 = 104,966.82 : x
  2. Step 2: Convert to fraction form
    186,640.92/257,556.78 = 104,966.82/x
  3. Step 3: Cross multiply
    186,640.92x = 257,556.78 × 104,966.82
  4. Step 4: Simplify right side
    186,640.92x = 27,034,916,166.04
  5. Step 5: Solve for x
    x = 27,034,916,166.04/186,640.92
  6. Step 6: Final answer
    x = 144,849.89

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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.