Home / 100,430.32-150,607.12-33,852.56

Finding the Fourth Proportional to 100,430.32, 150,607.12 and 33,852.56

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Solution

The fourth proportional to 100,430.32, 150,607.12 and 33,852.56 is: 50,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,430.32 : 150,607.12 = 33,852.56 : x
  2. Step 2: Convert to fraction form
    100,430.32/150,607.12 = 33,852.56/x
  3. Step 3: Cross multiply
    100,430.32x = 150,607.12 × 33,852.56
  4. Step 4: Simplify right side
    100,430.32x = 5,098,436,566.23
  5. Step 5: Solve for x
    x = 5,098,436,566.23/100,430.32
  6. Step 6: Final answer
    x = 50,765.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.