Home / 456,253.20-684,326.52-140,682.96

Finding the Fourth Proportional to 456,253.20, 684,326.52 and 140,682.96

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Solution

The fourth proportional to 456,253.20, 684,326.52 and 140,682.96 is: 211,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,253.20 : 684,326.52 = 140,682.96 : x
  2. Step 2: Convert to fraction form
    456,253.20/684,326.52 = 140,682.96/x
  3. Step 3: Cross multiply
    456,253.20x = 684,326.52 × 140,682.96
  4. Step 4: Simplify right side
    456,253.20x = 96,273,080,440.10
  5. Step 5: Solve for x
    x = 96,273,080,440.10/456,253.20
  6. Step 6: Final answer
    x = 211,008.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.