Home / 146,728.87-202,484.78-83,066.11

Finding the Fourth Proportional to 146,728.87, 202,484.78 and 83,066.11

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Solution

The fourth proportional to 146,728.87, 202,484.78 and 83,066.11 is: 114,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,728.87 : 202,484.78 = 83,066.11 : x
  2. Step 2: Convert to fraction form
    146,728.87/202,484.78 = 83,066.11/x
  3. Step 3: Cross multiply
    146,728.87x = 202,484.78 × 83,066.11
  4. Step 4: Simplify right side
    146,728.87x = 16,819,622,398.76
  5. Step 5: Solve for x
    x = 16,819,622,398.76/146,728.87
  6. Step 6: Final answer
    x = 114,630.63

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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.