Home / 117,238.77-175,713.84-66,680.19

Finding the Fourth Proportional to 117,238.77, 175,713.84 and 66,680.19

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Solution

The fourth proportional to 117,238.77, 175,713.84 and 66,680.19 is: 99,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,238.77 : 175,713.84 = 66,680.19 : x
  2. Step 2: Convert to fraction form
    117,238.77/175,713.84 = 66,680.19/x
  3. Step 3: Cross multiply
    117,238.77x = 175,713.84 × 66,680.19
  4. Step 4: Simplify right side
    117,238.77x = 11,716,632,236.83
  5. Step 5: Solve for x
    x = 11,716,632,236.83/117,238.77
  6. Step 6: Final answer
    x = 99,938.21

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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.