Home / 251,625.12-347,252.21-144,215.88

Finding the Fourth Proportional to 251,625.12, 347,252.21 and 144,215.88

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Solution

The fourth proportional to 251,625.12, 347,252.21 and 144,215.88 is: 199,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,625.12 : 347,252.21 = 144,215.88 : x
  2. Step 2: Convert to fraction form
    251,625.12/347,252.21 = 144,215.88/x
  3. Step 3: Cross multiply
    251,625.12x = 347,252.21 × 144,215.88
  4. Step 4: Simplify right side
    251,625.12x = 50,079,282,326.02
  5. Step 5: Solve for x
    x = 50,079,282,326.02/251,625.12
  6. Step 6: Final answer
    x = 199,023.38

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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.