Home / 166,626.95-229,945.32-91,175.45

Finding the Fourth Proportional to 166,626.95, 229,945.32 and 91,175.45

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Solution

The fourth proportional to 166,626.95, 229,945.32 and 91,175.45 is: 125,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,626.95 : 229,945.32 = 91,175.45 : x
  2. Step 2: Convert to fraction form
    166,626.95/229,945.32 = 91,175.45/x
  3. Step 3: Cross multiply
    166,626.95x = 229,945.32 × 91,175.45
  4. Step 4: Simplify right side
    166,626.95x = 20,965,366,876.67
  5. Step 5: Solve for x
    x = 20,965,366,876.67/166,626.95
  6. Step 6: Final answer
    x = 125,822.19

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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.