Home / 186,664.29-257,618.91-117,853.71

Finding the Fourth Proportional to 186,664.29, 257,618.91 and 117,853.71

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Solution

The fourth proportional to 186,664.29, 257,618.91 and 117,853.71 is: 162,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,664.29 : 257,618.91 = 117,853.71 : x
  2. Step 2: Convert to fraction form
    186,664.29/257,618.91 = 117,853.71/x
  3. Step 3: Cross multiply
    186,664.29x = 257,618.91 × 117,853.71
  4. Step 4: Simplify right side
    186,664.29x = 30,361,344,309.66
  5. Step 5: Solve for x
    x = 30,361,344,309.66/186,664.29
  6. Step 6: Final answer
    x = 162,652.13

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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.