Home / 181,403.50-250,339.82-99,735.20

Finding the Fourth Proportional to 181,403.50, 250,339.82 and 99,735.20

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Solution

The fourth proportional to 181,403.50, 250,339.82 and 99,735.20 is: 137,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,403.50 : 250,339.82 = 99,735.20 : x
  2. Step 2: Convert to fraction form
    181,403.50/250,339.82 = 99,735.20/x
  3. Step 3: Cross multiply
    181,403.50x = 250,339.82 × 99,735.20
  4. Step 4: Simplify right side
    181,403.50x = 24,967,692,015.66
  5. Step 5: Solve for x
    x = 24,967,692,015.66/181,403.50
  6. Step 6: Final answer
    x = 137,636.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.