Home / 354,544.50-531,821.38-117,887.18

Finding the Fourth Proportional to 354,544.50, 531,821.38 and 117,887.18

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Solution

The fourth proportional to 354,544.50, 531,821.38 and 117,887.18 is: 176,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,544.50 : 531,821.38 = 117,887.18 : x
  2. Step 2: Convert to fraction form
    354,544.50/531,821.38 = 117,887.18/x
  3. Step 3: Cross multiply
    354,544.50x = 531,821.38 × 117,887.18
  4. Step 4: Simplify right side
    354,544.50x = 62,694,922,751.91
  5. Step 5: Solve for x
    x = 62,694,922,751.91/354,544.50
  6. Step 6: Final answer
    x = 176,832.31

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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.