Home / 253,933.14-350,425.49-139,209.69

Finding the Fourth Proportional to 253,933.14, 350,425.49 and 139,209.69

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Solution

The fourth proportional to 253,933.14, 350,425.49 and 139,209.69 is: 192,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,933.14 : 350,425.49 = 139,209.69 : x
  2. Step 2: Convert to fraction form
    253,933.14/350,425.49 = 139,209.69/x
  3. Step 3: Cross multiply
    253,933.14x = 350,425.49 × 139,209.69
  4. Step 4: Simplify right side
    253,933.14x = 48,782,623,134.95
  5. Step 5: Solve for x
    x = 48,782,623,134.95/253,933.14
  6. Step 6: Final answer
    x = 192,108.14

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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.