Home / 186,419.20-257,176.66-125,967.82

Finding the Fourth Proportional to 186,419.20, 257,176.66 and 125,967.82

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Solution

The fourth proportional to 186,419.20, 257,176.66 and 125,967.82 is: 173,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,419.20 : 257,176.66 = 125,967.82 : x
  2. Step 2: Convert to fraction form
    186,419.20/257,176.66 = 125,967.82/x
  3. Step 3: Cross multiply
    186,419.20x = 257,176.66 × 125,967.82
  4. Step 4: Simplify right side
    186,419.20x = 32,395,981,614.28
  5. Step 5: Solve for x
    x = 32,395,981,614.28/186,419.20
  6. Step 6: Final answer
    x = 173,780.29

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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.