Home / 106,218.36-146,586.60-58,471.20

Finding the Fourth Proportional to 106,218.36, 146,586.60 and 58,471.20

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Solution

The fourth proportional to 106,218.36, 146,586.60 and 58,471.20 is: 80,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,218.36 : 146,586.60 = 58,471.20 : x
  2. Step 2: Convert to fraction form
    106,218.36/146,586.60 = 58,471.20/x
  3. Step 3: Cross multiply
    106,218.36x = 146,586.60 × 58,471.20
  4. Step 4: Simplify right side
    106,218.36x = 8,571,094,405.92
  5. Step 5: Solve for x
    x = 8,571,094,405.92/106,218.36
  6. Step 6: Final answer
    x = 80,693.15

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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.