Home / 168,383.12-232,366.50-91,903.46

Finding the Fourth Proportional to 168,383.12, 232,366.50 and 91,903.46

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Solution

The fourth proportional to 168,383.12, 232,366.50 and 91,903.46 is: 126,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,383.12 : 232,366.50 = 91,903.46 : x
  2. Step 2: Convert to fraction form
    168,383.12/232,366.50 = 91,903.46/x
  3. Step 3: Cross multiply
    168,383.12x = 232,366.50 × 91,903.46
  4. Step 4: Simplify right side
    168,383.12x = 21,355,284,176.26
  5. Step 5: Solve for x
    x = 21,355,284,176.26/168,383.12
  6. Step 6: Final answer
    x = 126,825.57

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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.