Home / 163,236.75-225,266.70-91,616.77

Finding the Fourth Proportional to 163,236.75, 225,266.70 and 91,616.77

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Solution

The fourth proportional to 163,236.75, 225,266.70 and 91,616.77 is: 126,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,236.75 : 225,266.70 = 91,616.77 : x
  2. Step 2: Convert to fraction form
    163,236.75/225,266.70 = 91,616.77/x
  3. Step 3: Cross multiply
    163,236.75x = 225,266.70 × 91,616.77
  4. Step 4: Simplify right side
    163,236.75x = 20,638,207,442.56
  5. Step 5: Solve for x
    x = 20,638,207,442.56/163,236.75
  6. Step 6: Final answer
    x = 126,431.13

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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.