Home / 240,688.20-361,032.30-222,025.80

Finding the Fourth Proportional to 240,688.20, 361,032.30 and 222,025.80

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Solution

The fourth proportional to 240,688.20, 361,032.30 and 222,025.80 is: 333,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,688.20 : 361,032.30 = 222,025.80 : x
  2. Step 2: Convert to fraction form
    240,688.20/361,032.30 = 222,025.80/x
  3. Step 3: Cross multiply
    240,688.20x = 361,032.30 × 222,025.80
  4. Step 4: Simplify right side
    240,688.20x = 80,158,485,233.34
  5. Step 5: Solve for x
    x = 80,158,485,233.34/240,688.20
  6. Step 6: Final answer
    x = 333,038.70

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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.