Home / 190,473.82-262,856.20-109,918.10

Finding the Fourth Proportional to 190,473.82, 262,856.20 and 109,918.10

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Solution

The fourth proportional to 190,473.82, 262,856.20 and 109,918.10 is: 151,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,473.82 : 262,856.20 = 109,918.10 : x
  2. Step 2: Convert to fraction form
    190,473.82/262,856.20 = 109,918.10/x
  3. Step 3: Cross multiply
    190,473.82x = 262,856.20 × 109,918.10
  4. Step 4: Simplify right side
    190,473.82x = 28,892,654,077.22
  5. Step 5: Solve for x
    x = 28,892,654,077.22/190,473.82
  6. Step 6: Final answer
    x = 151,688.32

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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.