Home / 228,003.75-314,645.19-127,401.75

Finding the Fourth Proportional to 228,003.75, 314,645.19 and 127,401.75

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Solution

The fourth proportional to 228,003.75, 314,645.19 and 127,401.75 is: 175,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,003.75 : 314,645.19 = 127,401.75 : x
  2. Step 2: Convert to fraction form
    228,003.75/314,645.19 = 127,401.75/x
  3. Step 3: Cross multiply
    228,003.75x = 314,645.19 × 127,401.75
  4. Step 4: Simplify right side
    228,003.75x = 40,086,347,835.08
  5. Step 5: Solve for x
    x = 40,086,347,835.08/228,003.75
  6. Step 6: Final answer
    x = 175,814.42

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1.5x scale

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.