Home / 456,168.20-684,317.10-140,592.20

Finding the Fourth Proportional to 456,168.20, 684,317.10 and 140,592.20

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Solution

The fourth proportional to 456,168.20, 684,317.10 and 140,592.20 is: 210,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,168.20 : 684,317.10 = 140,592.20 : x
  2. Step 2: Convert to fraction form
    456,168.20/684,317.10 = 140,592.20/x
  3. Step 3: Cross multiply
    456,168.20x = 684,317.10 × 140,592.20
  4. Step 4: Simplify right side
    456,168.20x = 96,209,646,586.62
  5. Step 5: Solve for x
    x = 96,209,646,586.62/456,168.20
  6. Step 6: Final answer
    x = 210,908.27

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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.