Home / 122,223.45-168,654.84-67,774.25

Finding the Fourth Proportional to 122,223.45, 168,654.84 and 67,774.25

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Solution

The fourth proportional to 122,223.45, 168,654.84 and 67,774.25 is: 93,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,223.45 : 168,654.84 = 67,774.25 : x
  2. Step 2: Convert to fraction form
    122,223.45/168,654.84 = 67,774.25/x
  3. Step 3: Cross multiply
    122,223.45x = 168,654.84 × 67,774.25
  4. Step 4: Simplify right side
    122,223.45x = 11,430,454,446.60
  5. Step 5: Solve for x
    x = 11,430,454,446.60/122,223.45
  6. Step 6: Final answer
    x = 93,520.96

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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.