Home / 151,022.20-208,406.18-83,039.10

Finding the Fourth Proportional to 151,022.20, 208,406.18 and 83,039.10

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Solution

The fourth proportional to 151,022.20, 208,406.18 and 83,039.10 is: 114,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,022.20 : 208,406.18 = 83,039.10 : x
  2. Step 2: Convert to fraction form
    151,022.20/208,406.18 = 83,039.10/x
  3. Step 3: Cross multiply
    151,022.20x = 208,406.18 × 83,039.10
  4. Step 4: Simplify right side
    151,022.20x = 17,305,861,621.64
  5. Step 5: Solve for x
    x = 17,305,861,621.64/151,022.20
  6. Step 6: Final answer
    x = 114,591.51

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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.