Home / 164,530.20-247,086.90-127,181.10

Finding the Fourth Proportional to 164,530.20, 247,086.90 and 127,181.10

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Solution

The fourth proportional to 164,530.20, 247,086.90 and 127,181.10 is: 190,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,530.20 : 247,086.90 = 127,181.10 : x
  2. Step 2: Convert to fraction form
    164,530.20/247,086.90 = 127,181.10/x
  3. Step 3: Cross multiply
    164,530.20x = 247,086.90 × 127,181.10
  4. Step 4: Simplify right side
    164,530.20x = 31,424,783,737.59
  5. Step 5: Solve for x
    x = 31,424,783,737.59/164,530.20
  6. Step 6: Final answer
    x = 190,997.06

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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.