Home / 251,521.11-347,148.44-144,163.10

Finding the Fourth Proportional to 251,521.11, 347,148.44 and 144,163.10

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Solution

The fourth proportional to 251,521.11, 347,148.44 and 144,163.10 is: 198,973.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,521.11 : 347,148.44 = 144,163.10 : x
  2. Step 2: Convert to fraction form
    251,521.11/347,148.44 = 144,163.10/x
  3. Step 3: Cross multiply
    251,521.11x = 347,148.44 × 144,163.10
  4. Step 4: Simplify right side
    251,521.11x = 50,045,995,270.56
  5. Step 5: Solve for x
    x = 50,045,995,270.56/251,521.11
  6. Step 6: Final answer
    x = 198,973.34

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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.