Home / 111,481.05-153,833.67-66,151.22

Finding the Fourth Proportional to 111,481.05, 153,833.67 and 66,151.22

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Solution

The fourth proportional to 111,481.05, 153,833.67 and 66,151.22 is: 91,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,481.05 : 153,833.67 = 66,151.22 : x
  2. Step 2: Convert to fraction form
    111,481.05/153,833.67 = 66,151.22/x
  3. Step 3: Cross multiply
    111,481.05x = 153,833.67 × 66,151.22
  4. Step 4: Simplify right side
    111,481.05x = 10,176,284,178.41
  5. Step 5: Solve for x
    x = 10,176,284,178.41/111,481.05
  6. Step 6: Final answer
    x = 91,282.64

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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.