Home / 174,823.20-262,364.40-115,639.20

Finding the Fourth Proportional to 174,823.20, 262,364.40 and 115,639.20

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Solution

The fourth proportional to 174,823.20, 262,364.40 and 115,639.20 is: 173,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,823.20 : 262,364.40 = 115,639.20 : x
  2. Step 2: Convert to fraction form
    174,823.20/262,364.40 = 115,639.20/x
  3. Step 3: Cross multiply
    174,823.20x = 262,364.40 × 115,639.20
  4. Step 4: Simplify right side
    174,823.20x = 30,339,609,324.48
  5. Step 5: Solve for x
    x = 30,339,609,324.48/174,823.20
  6. Step 6: Final answer
    x = 173,544.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.