Home / 186,724.38-257,596.29-115,078.26

Finding the Fourth Proportional to 186,724.38, 257,596.29 and 115,078.26

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Solution

The fourth proportional to 186,724.38, 257,596.29 and 115,078.26 is: 158,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,724.38 : 257,596.29 = 115,078.26 : x
  2. Step 2: Convert to fraction form
    186,724.38/257,596.29 = 115,078.26/x
  3. Step 3: Cross multiply
    186,724.38x = 257,596.29 × 115,078.26
  4. Step 4: Simplify right side
    186,724.38x = 29,643,732,835.66
  5. Step 5: Solve for x
    x = 29,643,732,835.66/186,724.38
  6. Step 6: Final answer
    x = 158,756.63

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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.