Home / 272,025.20-408,426.60-153,927.20

Finding the Fourth Proportional to 272,025.20, 408,426.60 and 153,927.20

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Solution

The fourth proportional to 272,025.20, 408,426.60 and 153,927.20 is: 231,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,025.20 : 408,426.60 = 153,927.20 : x
  2. Step 2: Convert to fraction form
    272,025.20/408,426.60 = 153,927.20/x
  3. Step 3: Cross multiply
    272,025.20x = 408,426.60 × 153,927.20
  4. Step 4: Simplify right side
    272,025.20x = 62,867,962,943.52
  5. Step 5: Solve for x
    x = 62,867,962,943.52/272,025.20
  6. Step 6: Final answer
    x = 231,110.80

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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.