Home / 456,245.20-684,314.52-140,674.96

Finding the Fourth Proportional to 456,245.20, 684,314.52 and 140,674.96

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Solution

The fourth proportional to 456,245.20, 684,314.52 and 140,674.96 is: 210,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,245.20 : 684,314.52 = 140,674.96 : x
  2. Step 2: Convert to fraction form
    456,245.20/684,314.52 = 140,674.96/x
  3. Step 3: Cross multiply
    456,245.20x = 684,314.52 × 140,674.96
  4. Step 4: Simplify right side
    456,245.20x = 96,265,917,728.42
  5. Step 5: Solve for x
    x = 96,265,917,728.42/456,245.20
  6. Step 6: Final answer
    x = 210,996.01

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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.