Home / 234,633.48-323,650.82-139,076.20

Finding the Fourth Proportional to 234,633.48, 323,650.82 and 139,076.20

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Solution

The fourth proportional to 234,633.48, 323,650.82 and 139,076.20 is: 191,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,633.48 : 323,650.82 = 139,076.20 : x
  2. Step 2: Convert to fraction form
    234,633.48/323,650.82 = 139,076.20/x
  3. Step 3: Cross multiply
    234,633.48x = 323,650.82 × 139,076.20
  4. Step 4: Simplify right side
    234,633.48x = 45,012,126,172.48
  5. Step 5: Solve for x
    x = 45,012,126,172.48/234,633.48
  6. Step 6: Final answer
    x = 191,840.17

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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.