Home / 193,543.80-290,333.96-75,224.20

Finding the Fourth Proportional to 193,543.80, 290,333.96 and 75,224.20

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Solution

The fourth proportional to 193,543.80, 290,333.96 and 75,224.20 is: 112,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543.80 : 290,333.96 = 75,224.20 : x
  2. Step 2: Convert to fraction form
    193,543.80/290,333.96 = 75,224.20/x
  3. Step 3: Cross multiply
    193,543.80x = 290,333.96 × 75,224.20
  4. Step 4: Simplify right side
    193,543.80x = 21,840,139,873.83
  5. Step 5: Solve for x
    x = 21,840,139,873.83/193,543.80
  6. Step 6: Final answer
    x = 112,843.40

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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.