Home / 186,855.19-257,874.03-106,308.65

Finding the Fourth Proportional to 186,855.19, 257,874.03 and 106,308.65

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Solution

The fourth proportional to 186,855.19, 257,874.03 and 106,308.65 is: 146,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,855.19 : 257,874.03 = 106,308.65 : x
  2. Step 2: Convert to fraction form
    186,855.19/257,874.03 = 106,308.65/x
  3. Step 3: Cross multiply
    186,855.19x = 257,874.03 × 106,308.65
  4. Step 4: Simplify right side
    186,855.19x = 27,414,240,644.04
  5. Step 5: Solve for x
    x = 27,414,240,644.04/186,855.19
  6. Step 6: Final answer
    x = 146,713.83

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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.