Home / 181,415.58-250,356.50-99,747.28

Finding the Fourth Proportional to 181,415.58, 250,356.50 and 99,747.28

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Solution

The fourth proportional to 181,415.58, 250,356.50 and 99,747.28 is: 137,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,415.58 : 250,356.50 = 99,747.28 : x
  2. Step 2: Convert to fraction form
    181,415.58/250,356.50 = 99,747.28/x
  3. Step 3: Cross multiply
    181,415.58x = 250,356.50 × 99,747.28
  4. Step 4: Simplify right side
    181,415.58x = 24,972,379,905.32
  5. Step 5: Solve for x
    x = 24,972,379,905.32/181,415.58
  6. Step 6: Final answer
    x = 137,652.90

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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.