Home / 161,611.54-242,086.80-131,732.26

Finding the Fourth Proportional to 161,611.54, 242,086.80 and 131,732.26

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Solution

The fourth proportional to 161,611.54, 242,086.80 and 131,732.26 is: 197,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,611.54 : 242,086.80 = 131,732.26 : x
  2. Step 2: Convert to fraction form
    161,611.54/242,086.80 = 131,732.26/x
  3. Step 3: Cross multiply
    161,611.54x = 242,086.80 × 131,732.26
  4. Step 4: Simplify right side
    161,611.54x = 31,890,641,280.17
  5. Step 5: Solve for x
    x = 31,890,641,280.17/161,611.54
  6. Step 6: Final answer
    x = 197,328.99

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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.