Home / 186,639.38-257,551.25-106,055.72

Finding the Fourth Proportional to 186,639.38, 257,551.25 and 106,055.72

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Solution

The fourth proportional to 186,639.38, 257,551.25 and 106,055.72 is: 146,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,639.38 : 257,551.25 = 106,055.72 : x
  2. Step 2: Convert to fraction form
    186,639.38/257,551.25 = 106,055.72/x
  3. Step 3: Cross multiply
    186,639.38x = 257,551.25 × 106,055.72
  4. Step 4: Simplify right side
    186,639.38x = 27,314,784,747.00
  5. Step 5: Solve for x
    x = 27,314,784,747.00/186,639.38
  6. Step 6: Final answer
    x = 146,350.59

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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.