Home / 240,197.52-331,438.70-136,834.43

Finding the Fourth Proportional to 240,197.52, 331,438.70 and 136,834.43

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Solution

The fourth proportional to 240,197.52, 331,438.70 and 136,834.43 is: 188,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,197.52 : 331,438.70 = 136,834.43 : x
  2. Step 2: Convert to fraction form
    240,197.52/331,438.70 = 136,834.43/x
  3. Step 3: Cross multiply
    240,197.52x = 331,438.70 × 136,834.43
  4. Step 4: Simplify right side
    240,197.52x = 45,352,226,765.12
  5. Step 5: Solve for x
    x = 45,352,226,765.12/240,197.52
  6. Step 6: Final answer
    x = 188,812.22

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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.