Home / 180,803.23-271,141.94-74,156.90

Finding the Fourth Proportional to 180,803.23, 271,141.94 and 74,156.90

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Solution

The fourth proportional to 180,803.23, 271,141.94 and 74,156.90 is: 111,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,803.23 : 271,141.94 = 74,156.90 : x
  2. Step 2: Convert to fraction form
    180,803.23/271,141.94 = 74,156.90/x
  3. Step 3: Cross multiply
    180,803.23x = 271,141.94 × 74,156.90
  4. Step 4: Simplify right side
    180,803.23x = 20,107,045,359.60
  5. Step 5: Solve for x
    x = 20,107,045,359.60/180,803.23
  6. Step 6: Final answer
    x = 111,209.55

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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.