Home / 182,142.17-251,356.45-100,468.60

Finding the Fourth Proportional to 182,142.17, 251,356.45 and 100,468.60

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Solution

The fourth proportional to 182,142.17, 251,356.45 and 100,468.60 is: 138,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,142.17 : 251,356.45 = 100,468.60 : x
  2. Step 2: Convert to fraction form
    182,142.17/251,356.45 = 100,468.60/x
  3. Step 3: Cross multiply
    182,142.17x = 251,356.45 × 100,468.60
  4. Step 4: Simplify right side
    182,142.17x = 25,253,429,552.62
  5. Step 5: Solve for x
    x = 25,253,429,552.62/182,142.17
  6. Step 6: Final answer
    x = 138,646.80

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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.