Home / 248,752.72-343,288.02-141,340.96

Finding the Fourth Proportional to 248,752.72, 343,288.02 and 141,340.96

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Solution

The fourth proportional to 248,752.72, 343,288.02 and 141,340.96 is: 195,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,752.72 : 343,288.02 = 141,340.96 : x
  2. Step 2: Convert to fraction form
    248,752.72/343,288.02 = 141,340.96/x
  3. Step 3: Cross multiply
    248,752.72x = 343,288.02 × 141,340.96
  4. Step 4: Simplify right side
    248,752.72x = 48,520,658,303.30
  5. Step 5: Solve for x
    x = 48,520,658,303.30/248,752.72
  6. Step 6: Final answer
    x = 195,055.79

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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.