Home / 122,217.96-168,667.50-68,520.24

Finding the Fourth Proportional to 122,217.96, 168,667.50 and 68,520.24

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Solution

The fourth proportional to 122,217.96, 168,667.50 and 68,520.24 is: 94,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,217.96 : 168,667.50 = 68,520.24 : x
  2. Step 2: Convert to fraction form
    122,217.96/168,667.50 = 68,520.24/x
  3. Step 3: Cross multiply
    122,217.96x = 168,667.50 × 68,520.24
  4. Step 4: Simplify right side
    122,217.96x = 11,557,137,580.20
  5. Step 5: Solve for x
    x = 11,557,137,580.20/122,217.96
  6. Step 6: Final answer
    x = 94,561.70

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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.