Home / 117,322.11-161,903.53-66,344.85

Finding the Fourth Proportional to 117,322.11, 161,903.53 and 66,344.85

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Solution

The fourth proportional to 117,322.11, 161,903.53 and 66,344.85 is: 91,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,322.11 : 161,903.53 = 66,344.85 : x
  2. Step 2: Convert to fraction form
    117,322.11/161,903.53 = 66,344.85/x
  3. Step 3: Cross multiply
    117,322.11x = 161,903.53 × 66,344.85
  4. Step 4: Simplify right side
    117,322.11x = 10,741,464,722.25
  5. Step 5: Solve for x
    x = 10,741,464,722.25/117,322.11
  6. Step 6: Final answer
    x = 91,555.33

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1.5x scale

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.