Home / 235,434.11-324,946.19-139,922.33

Finding the Fourth Proportional to 235,434.11, 324,946.19 and 139,922.33

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Solution

The fourth proportional to 235,434.11, 324,946.19 and 139,922.33 is: 193,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,434.11 : 324,946.19 = 139,922.33 : x
  2. Step 2: Convert to fraction form
    235,434.11/324,946.19 = 139,922.33/x
  3. Step 3: Cross multiply
    235,434.11x = 324,946.19 × 139,922.33
  4. Step 4: Simplify right side
    235,434.11x = 45,467,226,754.50
  5. Step 5: Solve for x
    x = 45,467,226,754.50/235,434.11
  6. Step 6: Final answer
    x = 193,120.82

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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.