Home / 272,585.07-408,788.33-114,784.11

Finding the Fourth Proportional to 272,585.07, 408,788.33 and 114,784.11

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Solution

The fourth proportional to 272,585.07, 408,788.33 and 114,784.11 is: 172,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,585.07 : 408,788.33 = 114,784.11 : x
  2. Step 2: Convert to fraction form
    272,585.07/408,788.33 = 114,784.11/x
  3. Step 3: Cross multiply
    272,585.07x = 408,788.33 × 114,784.11
  4. Step 4: Simplify right side
    272,585.07x = 46,922,404,063.52
  5. Step 5: Solve for x
    x = 46,922,404,063.52/272,585.07
  6. Step 6: Final answer
    x = 172,138.57

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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.