Home / 186,639.53-257,551.45-106,055.87

Finding the Fourth Proportional to 186,639.53, 257,551.45 and 106,055.87

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Solution

The fourth proportional to 186,639.53, 257,551.45 and 106,055.87 is: 146,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,639.53 : 257,551.45 = 106,055.87 : x
  2. Step 2: Convert to fraction form
    186,639.53/257,551.45 = 106,055.87/x
  3. Step 3: Cross multiply
    186,639.53x = 257,551.45 × 106,055.87
  4. Step 4: Simplify right side
    186,639.53x = 27,314,841,546.61
  5. Step 5: Solve for x
    x = 27,314,841,546.61/186,639.53
  6. Step 6: Final answer
    x = 146,350.79

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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.