Home / 234,953.36-324,088.11-139,392.38

Finding the Fourth Proportional to 234,953.36, 324,088.11 and 139,392.38

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Solution

The fourth proportional to 234,953.36, 324,088.11 and 139,392.38 is: 192,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,953.36 : 324,088.11 = 139,392.38 : x
  2. Step 2: Convert to fraction form
    234,953.36/324,088.11 = 139,392.38/x
  3. Step 3: Cross multiply
    234,953.36x = 324,088.11 × 139,392.38
  4. Step 4: Simplify right side
    234,953.36x = 45,175,412,982.60
  5. Step 5: Solve for x
    x = 45,175,412,982.60/234,953.36
  6. Step 6: Final answer
    x = 192,273.96

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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.