Home / 147,908.80-221,571.60-88,568.20

Finding the Fourth Proportional to 147,908.80, 221,571.60 and 88,568.20

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Solution

The fourth proportional to 147,908.80, 221,571.60 and 88,568.20 is: 132,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.80 : 221,571.60 = 88,568.20 : x
  2. Step 2: Convert to fraction form
    147,908.80/221,571.60 = 88,568.20/x
  3. Step 3: Cross multiply
    147,908.80x = 221,571.60 × 88,568.20
  4. Step 4: Simplify right side
    147,908.80x = 19,624,197,783.12
  5. Step 5: Solve for x
    x = 19,624,197,783.12/147,908.80
  6. Step 6: Final answer
    x = 132,677.69

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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.