Home / 235,250.48-324,626.28-139,781.36

Finding the Fourth Proportional to 235,250.48, 324,626.28 and 139,781.36

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Solution

The fourth proportional to 235,250.48, 324,626.28 and 139,781.36 is: 192,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,250.48 : 324,626.28 = 139,781.36 : x
  2. Step 2: Convert to fraction form
    235,250.48/324,626.28 = 139,781.36/x
  3. Step 3: Cross multiply
    235,250.48x = 324,626.28 × 139,781.36
  4. Step 4: Simplify right side
    235,250.48x = 45,376,702,910.14
  5. Step 5: Solve for x
    x = 45,376,702,910.14/235,250.48
  6. Step 6: Final answer
    x = 192,886.76

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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.