Home / 150,430.20-207,596.36-82,442.66

Finding the Fourth Proportional to 150,430.20, 207,596.36 and 82,442.66

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Solution

The fourth proportional to 150,430.20, 207,596.36 and 82,442.66 is: 113,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,430.20 : 207,596.36 = 82,442.66 : x
  2. Step 2: Convert to fraction form
    150,430.20/207,596.36 = 82,442.66/x
  3. Step 3: Cross multiply
    150,430.20x = 207,596.36 × 82,442.66
  4. Step 4: Simplify right side
    150,430.20x = 17,114,796,124.72
  5. Step 5: Solve for x
    x = 17,114,796,124.72/150,430.20
  6. Step 6: Final answer
    x = 113,772.34

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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.