Home / 100,141.32-150,124.38-50,151.36

Finding the Fourth Proportional to 100,141.32, 150,124.38 and 50,151.36

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Solution

The fourth proportional to 100,141.32, 150,124.38 and 50,151.36 is: 75,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,141.32 : 150,124.38 = 50,151.36 : x
  2. Step 2: Convert to fraction form
    100,141.32/150,124.38 = 50,151.36/x
  3. Step 3: Cross multiply
    100,141.32x = 150,124.38 × 50,151.36
  4. Step 4: Simplify right side
    100,141.32x = 7,528,941,826.16
  5. Step 5: Solve for x
    x = 7,528,941,826.16/100,141.32
  6. Step 6: Final answer
    x = 75,183.17

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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.