Home / 265,623.27-398,431.20-151,527.61

Finding the Fourth Proportional to 265,623.27, 398,431.20 and 151,527.61

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Solution

The fourth proportional to 265,623.27, 398,431.20 and 151,527.61 is: 227,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,623.27 : 398,431.20 = 151,527.61 : x
  2. Step 2: Convert to fraction form
    265,623.27/398,431.20 = 151,527.61/x
  3. Step 3: Cross multiply
    265,623.27x = 398,431.20 × 151,527.61
  4. Step 4: Simplify right side
    265,623.27x = 60,373,328,551.70
  5. Step 5: Solve for x
    x = 60,373,328,551.70/265,623.27
  6. Step 6: Final answer
    x = 227,289.31

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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.