Home / 168,055.07-231,916.03-91,574.18

Finding the Fourth Proportional to 168,055.07, 231,916.03 and 91,574.18

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Solution

The fourth proportional to 168,055.07, 231,916.03 and 91,574.18 is: 126,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,055.07 : 231,916.03 = 91,574.18 : x
  2. Step 2: Convert to fraction form
    168,055.07/231,916.03 = 91,574.18/x
  3. Step 3: Cross multiply
    168,055.07x = 231,916.03 × 91,574.18
  4. Step 4: Simplify right side
    168,055.07x = 21,237,519,757.27
  5. Step 5: Solve for x
    x = 21,237,519,757.27/168,055.07
  6. Step 6: Final answer
    x = 126,372.38

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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.