Home / 186,065.19-256,660.32-117,044.64

Finding the Fourth Proportional to 186,065.19, 256,660.32 and 117,044.64

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Solution

The fourth proportional to 186,065.19, 256,660.32 and 117,044.64 is: 161,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,065.19 : 256,660.32 = 117,044.64 : x
  2. Step 2: Convert to fraction form
    186,065.19/256,660.32 = 117,044.64/x
  3. Step 3: Cross multiply
    186,065.19x = 256,660.32 × 117,044.64
  4. Step 4: Simplify right side
    186,065.19x = 30,040,714,756.68
  5. Step 5: Solve for x
    x = 30,040,714,756.68/186,065.19
  6. Step 6: Final answer
    x = 161,452.63

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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.