Home / 234,575.39-323,706.16-139,025.36

Finding the Fourth Proportional to 234,575.39, 323,706.16 and 139,025.36

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Solution

The fourth proportional to 234,575.39, 323,706.16 and 139,025.36 is: 191,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,575.39 : 323,706.16 = 139,025.36 : x
  2. Step 2: Convert to fraction form
    234,575.39/323,706.16 = 139,025.36/x
  3. Step 3: Cross multiply
    234,575.39x = 323,706.16 × 139,025.36
  4. Step 4: Simplify right side
    234,575.39x = 45,003,365,428.22
  5. Step 5: Solve for x
    x = 45,003,365,428.22/234,575.39
  6. Step 6: Final answer
    x = 191,850.33

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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.