Home / 186,841.22-257,839.47-106,268.65

Finding the Fourth Proportional to 186,841.22, 257,839.47 and 106,268.65

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Solution

The fourth proportional to 186,841.22, 257,839.47 and 106,268.65 is: 146,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,841.22 : 257,839.47 = 106,268.65 : x
  2. Step 2: Convert to fraction form
    186,841.22/257,839.47 = 106,268.65/x
  3. Step 3: Cross multiply
    186,841.22x = 257,839.47 × 106,268.65
  4. Step 4: Simplify right side
    186,841.22x = 27,400,250,573.07
  5. Step 5: Solve for x
    x = 27,400,250,573.07/186,841.22
  6. Step 6: Final answer
    x = 146,649.92

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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.