Home / 180,142.06-248,608.94-99,567.86

Finding the Fourth Proportional to 180,142.06, 248,608.94 and 99,567.86

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Solution

The fourth proportional to 180,142.06, 248,608.94 and 99,567.86 is: 137,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,142.06 : 248,608.94 = 99,567.86 : x
  2. Step 2: Convert to fraction form
    180,142.06/248,608.94 = 99,567.86/x
  3. Step 3: Cross multiply
    180,142.06x = 248,608.94 × 99,567.86
  4. Step 4: Simplify right side
    180,142.06x = 24,753,461,003.11
  5. Step 5: Solve for x
    x = 24,753,461,003.11/180,142.06
  6. Step 6: Final answer
    x = 137,410.78

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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.