Home / 155,651.43-233,477.20-120,164.56

Finding the Fourth Proportional to 155,651.43, 233,477.20 and 120,164.56

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Solution

The fourth proportional to 155,651.43, 233,477.20 and 120,164.56 is: 180,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,651.43 : 233,477.20 = 120,164.56 : x
  2. Step 2: Convert to fraction form
    155,651.43/233,477.20 = 120,164.56/x
  3. Step 3: Cross multiply
    155,651.43x = 233,477.20 × 120,164.56
  4. Step 4: Simplify right side
    155,651.43x = 28,055,685,008.03
  5. Step 5: Solve for x
    x = 28,055,685,008.03/155,651.43
  6. Step 6: Final answer
    x = 180,246.88

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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.