Home / 222,504.10-307,056-131,904.58

Finding the Fourth Proportional to 222,504.10, 307,056 and 131,904.58

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Solution

The fourth proportional to 222,504.10, 307,056 and 131,904.58 is: 182,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,504.10 : 307,056 = 131,904.58 : x
  2. Step 2: Convert to fraction form
    222,504.10/307,056 = 131,904.58/x
  3. Step 3: Cross multiply
    222,504.10x = 307,056 × 131,904.58
  4. Step 4: Simplify right side
    222,504.10x = 40,502,092,716.48
  5. Step 5: Solve for x
    x = 40,502,092,716.48/222,504.10
  6. Step 6: Final answer
    x = 182,028.53

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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.