Home / 150,361.07-207,498.44-81,450.70

Finding the Fourth Proportional to 150,361.07, 207,498.44 and 81,450.70

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Solution

The fourth proportional to 150,361.07, 207,498.44 and 81,450.70 is: 112,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,361.07 : 207,498.44 = 81,450.70 : x
  2. Step 2: Convert to fraction form
    150,361.07/207,498.44 = 81,450.70/x
  3. Step 3: Cross multiply
    150,361.07x = 207,498.44 × 81,450.70
  4. Step 4: Simplify right side
    150,361.07x = 16,900,892,871.79
  5. Step 5: Solve for x
    x = 16,900,892,871.79/150,361.07
  6. Step 6: Final answer
    x = 112,402.05

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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.