Home / 251,626.80-347,254.55-144,217.56

Finding the Fourth Proportional to 251,626.80, 347,254.55 and 144,217.56

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Solution

The fourth proportional to 251,626.80, 347,254.55 and 144,217.56 is: 199,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,626.80 : 347,254.55 = 144,217.56 : x
  2. Step 2: Convert to fraction form
    251,626.80/347,254.55 = 144,217.56/x
  3. Step 3: Cross multiply
    251,626.80x = 347,254.55 × 144,217.56
  4. Step 4: Simplify right side
    251,626.80x = 50,080,203,178.81
  5. Step 5: Solve for x
    x = 50,080,203,178.81/251,626.80
  6. Step 6: Final answer
    x = 199,025.71

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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.