Home / 180,685.62-271,276.70-91,998.72

Finding the Fourth Proportional to 180,685.62, 271,276.70 and 91,998.72

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Solution

The fourth proportional to 180,685.62, 271,276.70 and 91,998.72 is: 138,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,685.62 : 271,276.70 = 91,998.72 : x
  2. Step 2: Convert to fraction form
    180,685.62/271,276.70 = 91,998.72/x
  3. Step 3: Cross multiply
    180,685.62x = 271,276.70 × 91,998.72
  4. Step 4: Simplify right side
    180,685.62x = 24,957,108,705.83
  5. Step 5: Solve for x
    x = 24,957,108,705.83/180,685.62
  6. Step 6: Final answer
    x = 138,124.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.