Home / 272,121.27-408,032.15-101,256.63

Finding the Fourth Proportional to 272,121.27, 408,032.15 and 101,256.63

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Solution

The fourth proportional to 272,121.27, 408,032.15 and 101,256.63 is: 151,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,121.27 : 408,032.15 = 101,256.63 : x
  2. Step 2: Convert to fraction form
    272,121.27/408,032.15 = 101,256.63/x
  3. Step 3: Cross multiply
    272,121.27x = 408,032.15 × 101,256.63
  4. Step 4: Simplify right side
    272,121.27x = 41,315,959,934.37
  5. Step 5: Solve for x
    x = 41,315,959,934.37/272,121.27
  6. Step 6: Final answer
    x = 151,829.22

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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.