Home / 190,407.70-262,753.43-109,861.20

Finding the Fourth Proportional to 190,407.70, 262,753.43 and 109,861.20

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Solution

The fourth proportional to 190,407.70, 262,753.43 and 109,861.20 is: 151,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,407.70 : 262,753.43 = 109,861.20 : x
  2. Step 2: Convert to fraction form
    190,407.70/262,753.43 = 109,861.20/x
  3. Step 3: Cross multiply
    190,407.70x = 262,753.43 × 109,861.20
  4. Step 4: Simplify right side
    190,407.70x = 28,866,407,123.92
  5. Step 5: Solve for x
    x = 28,866,407,123.92/190,407.70
  6. Step 6: Final answer
    x = 151,603.15

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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.