Home / 122,235.18-168,684.33-68,520.18

Finding the Fourth Proportional to 122,235.18, 168,684.33 and 68,520.18

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Solution

The fourth proportional to 122,235.18, 168,684.33 and 68,520.18 is: 94,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,235.18 : 168,684.33 = 68,520.18 : x
  2. Step 2: Convert to fraction form
    122,235.18/168,684.33 = 68,520.18/x
  3. Step 3: Cross multiply
    122,235.18x = 168,684.33 × 68,520.18
  4. Step 4: Simplify right side
    122,235.18x = 11,558,280,654.78
  5. Step 5: Solve for x
    x = 11,558,280,654.78/122,235.18
  6. Step 6: Final answer
    x = 94,557.73

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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.