Home / 146,783.18-202,560.78-83,133.28

Finding the Fourth Proportional to 146,783.18, 202,560.78 and 83,133.28

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Solution

The fourth proportional to 146,783.18, 202,560.78 and 83,133.28 is: 114,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,783.18 : 202,560.78 = 83,133.28 : x
  2. Step 2: Convert to fraction form
    146,783.18/202,560.78 = 83,133.28/x
  3. Step 3: Cross multiply
    146,783.18x = 202,560.78 × 83,133.28
  4. Step 4: Simplify right side
    146,783.18x = 16,839,542,040.76
  5. Step 5: Solve for x
    x = 16,839,542,040.76/146,783.18
  6. Step 6: Final answer
    x = 114,723.92

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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.