Home / 166,845.07-230,246.11-90,364.17

Finding the Fourth Proportional to 166,845.07, 230,246.11 and 90,364.17

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Solution

The fourth proportional to 166,845.07, 230,246.11 and 90,364.17 is: 124,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,845.07 : 230,246.11 = 90,364.17 : x
  2. Step 2: Convert to fraction form
    166,845.07/230,246.11 = 90,364.17/x
  3. Step 3: Cross multiply
    166,845.07x = 230,246.11 × 90,364.17
  4. Step 4: Simplify right side
    166,845.07x = 20,805,998,625.88
  5. Step 5: Solve for x
    x = 20,805,998,625.88/166,845.07
  6. Step 6: Final answer
    x = 124,702.51

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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.