Home / 263,362.49-363,439.50-142,505.83

Finding the Fourth Proportional to 263,362.49, 363,439.50 and 142,505.83

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Solution

The fourth proportional to 263,362.49, 363,439.50 and 142,505.83 is: 196,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,362.49 : 363,439.50 = 142,505.83 : x
  2. Step 2: Convert to fraction form
    263,362.49/363,439.50 = 142,505.83/x
  3. Step 3: Cross multiply
    263,362.49x = 363,439.50 × 142,505.83
  4. Step 4: Simplify right side
    263,362.49x = 51,792,247,602.29
  5. Step 5: Solve for x
    x = 51,792,247,602.29/263,362.49
  6. Step 6: Final answer
    x = 196,657.65

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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.