Home / 186,784.92-257,757.66-106,221.24

Finding the Fourth Proportional to 186,784.92, 257,757.66 and 106,221.24

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Solution

The fourth proportional to 186,784.92, 257,757.66 and 106,221.24 is: 146,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,784.92 : 257,757.66 = 106,221.24 : x
  2. Step 2: Convert to fraction form
    186,784.92/257,757.66 = 106,221.24/x
  3. Step 3: Cross multiply
    186,784.92x = 257,757.66 × 106,221.24
  4. Step 4: Simplify right side
    186,784.92x = 27,379,338,264.70
  5. Step 5: Solve for x
    x = 27,379,338,264.70/186,784.92
  6. Step 6: Final answer
    x = 146,582.17

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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.