Home / 168,428.27-232,431.48-91,947.44

Finding the Fourth Proportional to 168,428.27, 232,431.48 and 91,947.44

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Solution

The fourth proportional to 168,428.27, 232,431.48 and 91,947.44 is: 126,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,428.27 : 232,431.48 = 91,947.44 : x
  2. Step 2: Convert to fraction form
    168,428.27/232,431.48 = 91,947.44/x
  3. Step 3: Cross multiply
    168,428.27x = 232,431.48 × 91,947.44
  4. Step 4: Simplify right side
    168,428.27x = 21,371,478,399.25
  5. Step 5: Solve for x
    x = 21,371,478,399.25/168,428.27
  6. Step 6: Final answer
    x = 126,887.72

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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.