Home / 182,128.88-251,336.78-101,557.36

Finding the Fourth Proportional to 182,128.88, 251,336.78 and 101,557.36

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Solution

The fourth proportional to 182,128.88, 251,336.78 and 101,557.36 is: 140,148.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,128.88 : 251,336.78 = 101,557.36 : x
  2. Step 2: Convert to fraction form
    182,128.88/251,336.78 = 101,557.36/x
  3. Step 3: Cross multiply
    182,128.88x = 251,336.78 × 101,557.36
  4. Step 4: Simplify right side
    182,128.88x = 25,525,099,847.70
  5. Step 5: Solve for x
    x = 25,525,099,847.70/182,128.88
  6. Step 6: Final answer
    x = 140,148.56

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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.