Home / 146,803.20-202,581.60-83,141.46

Finding the Fourth Proportional to 146,803.20, 202,581.60 and 83,141.46

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Solution

The fourth proportional to 146,803.20, 202,581.60 and 83,141.46 is: 114,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,803.20 : 202,581.60 = 83,141.46 : x
  2. Step 2: Convert to fraction form
    146,803.20/202,581.60 = 83,141.46/x
  3. Step 3: Cross multiply
    146,803.20x = 202,581.60 × 83,141.46
  4. Step 4: Simplify right side
    146,803.20x = 16,842,929,993.14
  5. Step 5: Solve for x
    x = 16,842,929,993.14/146,803.20
  6. Step 6: Final answer
    x = 114,731.35

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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.