Home / 113,241.92-169,862.64-30,135.92

Finding the Fourth Proportional to 113,241.92, 169,862.64 and 30,135.92

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Solution

The fourth proportional to 113,241.92, 169,862.64 and 30,135.92 is: 45,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,241.92 : 169,862.64 = 30,135.92 : x
  2. Step 2: Convert to fraction form
    113,241.92/169,862.64 = 30,135.92/x
  3. Step 3: Cross multiply
    113,241.92x = 169,862.64 × 30,135.92
  4. Step 4: Simplify right side
    113,241.92x = 5,118,966,930.03
  5. Step 5: Solve for x
    x = 5,118,966,930.03/113,241.92
  6. Step 6: Final answer
    x = 45,203.82

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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.