Home / 150,206.20-207,276.06-82,210.36

Finding the Fourth Proportional to 150,206.20, 207,276.06 and 82,210.36

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Solution

The fourth proportional to 150,206.20, 207,276.06 and 82,210.36 is: 113,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,206.20 : 207,276.06 = 82,210.36 : x
  2. Step 2: Convert to fraction form
    150,206.20/207,276.06 = 82,210.36/x
  3. Step 3: Cross multiply
    150,206.20x = 207,276.06 × 82,210.36
  4. Step 4: Simplify right side
    150,206.20x = 17,040,239,511.98
  5. Step 5: Solve for x
    x = 17,040,239,511.98/150,206.20
  6. Step 6: Final answer
    x = 113,445.65

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1.5x scale

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.