Home / 234,920.36-324,346.20-139,457.72

Finding the Fourth Proportional to 234,920.36, 324,346.20 and 139,457.72

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Solution

The fourth proportional to 234,920.36, 324,346.20 and 139,457.72 is: 192,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,920.36 : 324,346.20 = 139,457.72 : x
  2. Step 2: Convert to fraction form
    234,920.36/324,346.20 = 139,457.72/x
  3. Step 3: Cross multiply
    234,920.36x = 324,346.20 × 139,457.72
  4. Step 4: Simplify right side
    234,920.36x = 45,232,581,542.66
  5. Step 5: Solve for x
    x = 45,232,581,542.66/234,920.36
  6. Step 6: Final answer
    x = 192,544.32

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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.