Home / 150,869.74-208,200.32-82,891.10

Finding the Fourth Proportional to 150,869.74, 208,200.32 and 82,891.10

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Solution

The fourth proportional to 150,869.74, 208,200.32 and 82,891.10 is: 114,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,869.74 : 208,200.32 = 82,891.10 : x
  2. Step 2: Convert to fraction form
    150,869.74/208,200.32 = 82,891.10/x
  3. Step 3: Cross multiply
    150,869.74x = 208,200.32 × 82,891.10
  4. Step 4: Simplify right side
    150,869.74x = 17,257,953,545.15
  5. Step 5: Solve for x
    x = 17,257,953,545.15/150,869.74
  6. Step 6: Final answer
    x = 114,389.76

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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.