Home / 150,475.32-207,682.38-102,711.24

Finding the Fourth Proportional to 150,475.32, 207,682.38 and 102,711.24

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Solution

The fourth proportional to 150,475.32, 207,682.38 and 102,711.24 is: 141,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,475.32 : 207,682.38 = 102,711.24 : x
  2. Step 2: Convert to fraction form
    150,475.32/207,682.38 = 102,711.24/x
  3. Step 3: Cross multiply
    150,475.32x = 207,682.38 × 102,711.24
  4. Step 4: Simplify right side
    150,475.32x = 21,331,314,775.95
  5. Step 5: Solve for x
    x = 21,331,314,775.95/150,475.32
  6. Step 6: Final answer
    x = 141,759.56

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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.