Home / 227,412.85-313,827.20-125,442.61

Finding the Fourth Proportional to 227,412.85, 313,827.20 and 125,442.61

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Solution

The fourth proportional to 227,412.85, 313,827.20 and 125,442.61 is: 173,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,412.85 : 313,827.20 = 125,442.61 : x
  2. Step 2: Convert to fraction form
    227,412.85/313,827.20 = 125,442.61/x
  3. Step 3: Cross multiply
    227,412.85x = 313,827.20 × 125,442.61
  4. Step 4: Simplify right side
    227,412.85x = 39,367,303,056.99
  5. Step 5: Solve for x
    x = 39,367,303,056.99/227,412.85
  6. Step 6: Final answer
    x = 173,109.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.