Home / 235,384.06-324,857.22-139,889.92

Finding the Fourth Proportional to 235,384.06, 324,857.22 and 139,889.92

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Solution

The fourth proportional to 235,384.06, 324,857.22 and 139,889.92 is: 193,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,384.06 : 324,857.22 = 139,889.92 : x
  2. Step 2: Convert to fraction form
    235,384.06/324,857.22 = 139,889.92/x
  3. Step 3: Cross multiply
    235,384.06x = 324,857.22 × 139,889.92
  4. Step 4: Simplify right side
    235,384.06x = 45,444,250,517.22
  5. Step 5: Solve for x
    x = 45,444,250,517.22/235,384.06
  6. Step 6: Final answer
    x = 193,064.26

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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.