Home / 126,700.28-190,175.94-112,561.28

Finding the Fourth Proportional to 126,700.28, 190,175.94 and 112,561.28

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Solution

The fourth proportional to 126,700.28, 190,175.94 and 112,561.28 is: 168,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,700.28 : 190,175.94 = 112,561.28 : x
  2. Step 2: Convert to fraction form
    126,700.28/190,175.94 = 112,561.28/x
  3. Step 3: Cross multiply
    126,700.28x = 190,175.94 × 112,561.28
  4. Step 4: Simplify right side
    126,700.28x = 21,406,447,231.60
  5. Step 5: Solve for x
    x = 21,406,447,231.60/126,700.28
  6. Step 6: Final answer
    x = 168,953.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.