Home / 228,401.05-315,120.98-132,889.29

Finding the Fourth Proportional to 228,401.05, 315,120.98 and 132,889.29

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Solution

The fourth proportional to 228,401.05, 315,120.98 and 132,889.29 is: 183,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,401.05 : 315,120.98 = 132,889.29 : x
  2. Step 2: Convert to fraction form
    228,401.05/315,120.98 = 132,889.29/x
  3. Step 3: Cross multiply
    228,401.05x = 315,120.98 × 132,889.29
  4. Step 4: Simplify right side
    228,401.05x = 41,876,203,296.30
  5. Step 5: Solve for x
    x = 41,876,203,296.30/228,401.05
  6. Step 6: Final answer
    x = 183,345.06

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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.