Home / 117,267.12-161,830.44-66,966.12

Finding the Fourth Proportional to 117,267.12, 161,830.44 and 66,966.12

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Solution

The fourth proportional to 117,267.12, 161,830.44 and 66,966.12 is: 92,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,267.12 : 161,830.44 = 66,966.12 : x
  2. Step 2: Convert to fraction form
    117,267.12/161,830.44 = 66,966.12/x
  3. Step 3: Cross multiply
    117,267.12x = 161,830.44 × 66,966.12
  4. Step 4: Simplify right side
    117,267.12x = 10,837,156,664.69
  5. Step 5: Solve for x
    x = 10,837,156,664.69/117,267.12
  6. Step 6: Final answer
    x = 92,414.28

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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.