Home / 150,272.32-207,361.44-89,830.96

Finding the Fourth Proportional to 150,272.32, 207,361.44 and 89,830.96

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Solution

The fourth proportional to 150,272.32, 207,361.44 and 89,830.96 is: 123,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,272.32 : 207,361.44 = 89,830.96 : x
  2. Step 2: Convert to fraction form
    150,272.32/207,361.44 = 89,830.96/x
  3. Step 3: Cross multiply
    150,272.32x = 207,361.44 × 89,830.96
  4. Step 4: Simplify right side
    150,272.32x = 18,627,477,222.18
  5. Step 5: Solve for x
    x = 18,627,477,222.18/150,272.32
  6. Step 6: Final answer
    x = 123,958.14

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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.