Home / 456,292.20-684,503.10-156,786.60

Finding the Fourth Proportional to 456,292.20, 684,503.10 and 156,786.60

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Solution

The fourth proportional to 456,292.20, 684,503.10 and 156,786.60 is: 235,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,292.20 : 684,503.10 = 156,786.60 : x
  2. Step 2: Convert to fraction form
    456,292.20/684,503.10 = 156,786.60/x
  3. Step 3: Cross multiply
    456,292.20x = 684,503.10 × 156,786.60
  4. Step 4: Simplify right side
    456,292.20x = 107,320,913,738.46
  5. Step 5: Solve for x
    x = 107,320,913,738.46/456,292.20
  6. Step 6: Final answer
    x = 235,202.17

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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.