Home / 359,621.37-539,432.31-122,965.83

Finding the Fourth Proportional to 359,621.37, 539,432.31 and 122,965.83

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Solution

The fourth proportional to 359,621.37, 539,432.31 and 122,965.83 is: 184,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,621.37 : 539,432.31 = 122,965.83 : x
  2. Step 2: Convert to fraction form
    359,621.37/539,432.31 = 122,965.83/x
  3. Step 3: Cross multiply
    359,621.37x = 539,432.31 × 122,965.83
  4. Step 4: Simplify right side
    359,621.37x = 66,331,741,727.97
  5. Step 5: Solve for x
    x = 66,331,741,727.97/359,621.37
  6. Step 6: Final answer
    x = 184,448.83

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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.