Home / 126,492.62-174,578.14-75,507.50

Finding the Fourth Proportional to 126,492.62, 174,578.14 and 75,507.50

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Solution

The fourth proportional to 126,492.62, 174,578.14 and 75,507.50 is: 104,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,492.62 : 174,578.14 = 75,507.50 : x
  2. Step 2: Convert to fraction form
    126,492.62/174,578.14 = 75,507.50/x
  3. Step 3: Cross multiply
    126,492.62x = 174,578.14 × 75,507.50
  4. Step 4: Simplify right side
    126,492.62x = 13,181,958,906.05
  5. Step 5: Solve for x
    x = 13,181,958,906.05/126,492.62
  6. Step 6: Final answer
    x = 104,211.29

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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.