Home / 251,434.52-374,783.20-231,256.36

Finding the Fourth Proportional to 251,434.52, 374,783.20 and 231,256.36

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Solution

The fourth proportional to 251,434.52, 374,783.20 and 231,256.36 is: 344,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,434.52 : 374,783.20 = 231,256.36 : x
  2. Step 2: Convert to fraction form
    251,434.52/374,783.20 = 231,256.36/x
  3. Step 3: Cross multiply
    251,434.52x = 374,783.20 × 231,256.36
  4. Step 4: Simplify right side
    251,434.52x = 86,670,998,621.15
  5. Step 5: Solve for x
    x = 86,670,998,621.15/251,434.52
  6. Step 6: Final answer
    x = 344,706.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.