Home / 456,213.58-684,276.35-140,585.74

Finding the Fourth Proportional to 456,213.58, 684,276.35 and 140,585.74

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Solution

The fourth proportional to 456,213.58, 684,276.35 and 140,585.74 is: 210,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,213.58 : 684,276.35 = 140,585.74 : x
  2. Step 2: Convert to fraction form
    456,213.58/684,276.35 = 140,585.74/x
  3. Step 3: Cross multiply
    456,213.58x = 684,276.35 × 140,585.74
  4. Step 4: Simplify right side
    456,213.58x = 96,199,497,029.25
  5. Step 5: Solve for x
    x = 96,199,497,029.25/456,213.58
  6. Step 6: Final answer
    x = 210,865.04

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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.