Home / 117,151.24-161,591.91-82,746.49

Finding the Fourth Proportional to 117,151.24, 161,591.91 and 82,746.49

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Solution

The fourth proportional to 117,151.24, 161,591.91 and 82,746.49 is: 114,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,151.24 : 161,591.91 = 82,746.49 : x
  2. Step 2: Convert to fraction form
    117,151.24/161,591.91 = 82,746.49/x
  3. Step 3: Cross multiply
    117,151.24x = 161,591.91 × 82,746.49
  4. Step 4: Simplify right side
    117,151.24x = 13,371,163,364.90
  5. Step 5: Solve for x
    x = 13,371,163,364.90/117,151.24
  6. Step 6: Final answer
    x = 114,135.91

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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.