Home / 150,511.32-207,708.03-82,534.50

Finding the Fourth Proportional to 150,511.32, 207,708.03 and 82,534.50

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Solution

The fourth proportional to 150,511.32, 207,708.03 and 82,534.50 is: 113,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,511.32 : 207,708.03 = 82,534.50 : x
  2. Step 2: Convert to fraction form
    150,511.32/207,708.03 = 82,534.50/x
  3. Step 3: Cross multiply
    150,511.32x = 207,708.03 × 82,534.50
  4. Step 4: Simplify right side
    150,511.32x = 17,143,078,402.04
  5. Step 5: Solve for x
    x = 17,143,078,402.04/150,511.32
  6. Step 6: Final answer
    x = 113,898.93

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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.