Home / 456,167.20-684,315.60-140,591.20

Finding the Fourth Proportional to 456,167.20, 684,315.60 and 140,591.20

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Solution

The fourth proportional to 456,167.20, 684,315.60 and 140,591.20 is: 210,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,167.20 : 684,315.60 = 140,591.20 : x
  2. Step 2: Convert to fraction form
    456,167.20/684,315.60 = 140,591.20/x
  3. Step 3: Cross multiply
    456,167.20x = 684,315.60 × 140,591.20
  4. Step 4: Simplify right side
    456,167.20x = 96,208,751,382.72
  5. Step 5: Solve for x
    x = 96,208,751,382.72/456,167.20
  6. Step 6: Final answer
    x = 210,906.77

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1.5x scale

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.