Home / 186,696.42-257,656.47-106,149.30

Finding the Fourth Proportional to 186,696.42, 257,656.47 and 106,149.30

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Solution

The fourth proportional to 186,696.42, 257,656.47 and 106,149.30 is: 146,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,696.42 : 257,656.47 = 106,149.30 : x
  2. Step 2: Convert to fraction form
    186,696.42/257,656.47 = 106,149.30/x
  3. Step 3: Cross multiply
    186,696.42x = 257,656.47 × 106,149.30
  4. Step 4: Simplify right side
    186,696.42x = 27,350,053,930.97
  5. Step 5: Solve for x
    x = 27,350,053,930.97/186,696.42
  6. Step 6: Final answer
    x = 146,494.80

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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.