Home / 117,133.04-161,645.28-66,832.04

Finding the Fourth Proportional to 117,133.04, 161,645.28 and 66,832.04

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Solution

The fourth proportional to 117,133.04, 161,645.28 and 66,832.04 is: 92,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,133.04 : 161,645.28 = 66,832.04 : x
  2. Step 2: Convert to fraction form
    117,133.04/161,645.28 = 66,832.04/x
  3. Step 3: Cross multiply
    117,133.04x = 161,645.28 × 66,832.04
  4. Step 4: Simplify right side
    117,133.04x = 10,803,083,818.77
  5. Step 5: Solve for x
    x = 10,803,083,818.77/117,133.04
  6. Step 6: Final answer
    x = 92,229.18

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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.