Home / 190,003.05-262,181.16-109,456.65

Finding the Fourth Proportional to 190,003.05, 262,181.16 and 109,456.65

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Solution

The fourth proportional to 190,003.05, 262,181.16 and 109,456.65 is: 151,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,003.05 : 262,181.16 = 109,456.65 : x
  2. Step 2: Convert to fraction form
    190,003.05/262,181.16 = 109,456.65/x
  3. Step 3: Cross multiply
    190,003.05x = 262,181.16 × 109,456.65
  4. Step 4: Simplify right side
    190,003.05x = 28,697,471,466.71
  5. Step 5: Solve for x
    x = 28,697,471,466.71/190,003.05
  6. Step 6: Final answer
    x = 151,036.90

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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.