Home / 356,947.80-535,724.10-146,736.60

Finding the Fourth Proportional to 356,947.80, 535,724.10 and 146,736.60

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Solution

The fourth proportional to 356,947.80, 535,724.10 and 146,736.60 is: 220,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,947.80 : 535,724.10 = 146,736.60 : x
  2. Step 2: Convert to fraction form
    356,947.80/535,724.10 = 146,736.60/x
  3. Step 3: Cross multiply
    356,947.80x = 535,724.10 × 146,736.60
  4. Step 4: Simplify right side
    356,947.80x = 78,610,332,972.06
  5. Step 5: Solve for x
    x = 78,610,332,972.06/356,947.80
  6. Step 6: Final answer
    x = 220,229.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.