Home / 240,226.14-331,496.27-138,235.14

Finding the Fourth Proportional to 240,226.14, 331,496.27 and 138,235.14

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Solution

The fourth proportional to 240,226.14, 331,496.27 and 138,235.14 is: 190,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,226.14 : 331,496.27 = 138,235.14 : x
  2. Step 2: Convert to fraction form
    240,226.14/331,496.27 = 138,235.14/x
  3. Step 3: Cross multiply
    240,226.14x = 331,496.27 × 138,235.14
  4. Step 4: Simplify right side
    240,226.14x = 45,824,433,508.92
  5. Step 5: Solve for x
    x = 45,824,433,508.92/240,226.14
  6. Step 6: Final answer
    x = 190,755.40

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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.