Home / 251,516.22-347,117.85-144,100.50

Finding the Fourth Proportional to 251,516.22, 347,117.85 and 144,100.50

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Solution

The fourth proportional to 251,516.22, 347,117.85 and 144,100.50 is: 198,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,516.22 : 347,117.85 = 144,100.50 : x
  2. Step 2: Convert to fraction form
    251,516.22/347,117.85 = 144,100.50/x
  3. Step 3: Cross multiply
    251,516.22x = 347,117.85 × 144,100.50
  4. Step 4: Simplify right side
    251,516.22x = 50,019,855,743.93
  5. Step 5: Solve for x
    x = 50,019,855,743.93/251,516.22
  6. Step 6: Final answer
    x = 198,873.28

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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.