Home / 199,301.22-275,021.87-112,099.41

Finding the Fourth Proportional to 199,301.22, 275,021.87 and 112,099.41

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Solution

The fourth proportional to 199,301.22, 275,021.87 and 112,099.41 is: 154,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,301.22 : 275,021.87 = 112,099.41 : x
  2. Step 2: Convert to fraction form
    199,301.22/275,021.87 = 112,099.41/x
  3. Step 3: Cross multiply
    199,301.22x = 275,021.87 × 112,099.41
  4. Step 4: Simplify right side
    199,301.22x = 30,829,788,803.60
  5. Step 5: Solve for x
    x = 30,829,788,803.60/199,301.22
  6. Step 6: Final answer
    x = 154,689.41

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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.