Home / 250,839.68-346,157-136,115.42

Finding the Fourth Proportional to 250,839.68, 346,157 and 136,115.42

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Solution

The fourth proportional to 250,839.68, 346,157 and 136,115.42 is: 187,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,839.68 : 346,157 = 136,115.42 : x
  2. Step 2: Convert to fraction form
    250,839.68/346,157 = 136,115.42/x
  3. Step 3: Cross multiply
    250,839.68x = 346,157 × 136,115.42
  4. Step 4: Simplify right side
    250,839.68x = 47,117,305,440.94
  5. Step 5: Solve for x
    x = 47,117,305,440.94/250,839.68
  6. Step 6: Final answer
    x = 187,838.33

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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.