Home / 145,665.48-218,550.78-50,909.52

Finding the Fourth Proportional to 145,665.48, 218,550.78 and 50,909.52

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Solution

The fourth proportional to 145,665.48, 218,550.78 and 50,909.52 is: 76,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,665.48 : 218,550.78 = 50,909.52 : x
  2. Step 2: Convert to fraction form
    145,665.48/218,550.78 = 50,909.52/x
  3. Step 3: Cross multiply
    145,665.48x = 218,550.78 × 50,909.52
  4. Step 4: Simplify right side
    145,665.48x = 11,126,315,305.43
  5. Step 5: Solve for x
    x = 11,126,315,305.43/145,665.48
  6. Step 6: Final answer
    x = 76,382.65

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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.