Home / 148,105.64-204,380.70-84,463.92

Finding the Fourth Proportional to 148,105.64, 204,380.70 and 84,463.92

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Solution

The fourth proportional to 148,105.64, 204,380.70 and 84,463.92 is: 116,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,105.64 : 204,380.70 = 84,463.92 : x
  2. Step 2: Convert to fraction form
    148,105.64/204,380.70 = 84,463.92/x
  3. Step 3: Cross multiply
    148,105.64x = 204,380.70 × 84,463.92
  4. Step 4: Simplify right side
    148,105.64x = 17,262,795,094.34
  5. Step 5: Solve for x
    x = 17,262,795,094.34/148,105.64
  6. Step 6: Final answer
    x = 116,557.31

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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.