Home / 265,586.26-398,496.98-139,196.38

Finding the Fourth Proportional to 265,586.26, 398,496.98 and 139,196.38

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Solution

The fourth proportional to 265,586.26, 398,496.98 and 139,196.38 is: 208,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,586.26 : 398,496.98 = 139,196.38 : x
  2. Step 2: Convert to fraction form
    265,586.26/398,496.98 = 139,196.38/x
  3. Step 3: Cross multiply
    265,586.26x = 398,496.98 × 139,196.38
  4. Step 4: Simplify right side
    265,586.26x = 55,469,337,056.93
  5. Step 5: Solve for x
    x = 55,469,337,056.93/265,586.26
  6. Step 6: Final answer
    x = 208,856.20

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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.