Home / 168,022.27-231,870.01-91,541.13

Finding the Fourth Proportional to 168,022.27, 231,870.01 and 91,541.13

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Solution

The fourth proportional to 168,022.27, 231,870.01 and 91,541.13 is: 126,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,022.27 : 231,870.01 = 91,541.13 : x
  2. Step 2: Convert to fraction form
    168,022.27/231,870.01 = 91,541.13/x
  3. Step 3: Cross multiply
    168,022.27x = 231,870.01 × 91,541.13
  4. Step 4: Simplify right side
    168,022.27x = 21,225,642,728.51
  5. Step 5: Solve for x
    x = 21,225,642,728.51/168,022.27
  6. Step 6: Final answer
    x = 126,326.37

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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.