Home / 250,942.32-346,299-136,223.28

Finding the Fourth Proportional to 250,942.32, 346,299 and 136,223.28

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Solution

The fourth proportional to 250,942.32, 346,299 and 136,223.28 is: 187,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,942.32 : 346,299 = 136,223.28 : x
  2. Step 2: Convert to fraction form
    250,942.32/346,299 = 136,223.28/x
  3. Step 3: Cross multiply
    250,942.32x = 346,299 × 136,223.28
  4. Step 4: Simplify right side
    250,942.32x = 47,173,985,640.72
  5. Step 5: Solve for x
    x = 47,173,985,640.72/250,942.32
  6. Step 6: Final answer
    x = 187,987.37

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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.