Home / 186,956.64-258,022.80-106,403.76

Finding the Fourth Proportional to 186,956.64, 258,022.80 and 106,403.76

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Solution

The fourth proportional to 186,956.64, 258,022.80 and 106,403.76 is: 146,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,956.64 : 258,022.80 = 106,403.76 : x
  2. Step 2: Convert to fraction form
    186,956.64/258,022.80 = 106,403.76/x
  3. Step 3: Cross multiply
    186,956.64x = 258,022.80 × 106,403.76
  4. Step 4: Simplify right side
    186,956.64x = 27,454,596,085.73
  5. Step 5: Solve for x
    x = 27,454,596,085.73/186,956.64
  6. Step 6: Final answer
    x = 146,850.07

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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.