Home / 263,362.17-363,437.06-142,500.79

Finding the Fourth Proportional to 263,362.17, 363,437.06 and 142,500.79

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Solution

The fourth proportional to 263,362.17, 363,437.06 and 142,500.79 is: 196,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,362.17 : 363,437.06 = 142,500.79 : x
  2. Step 2: Convert to fraction form
    263,362.17/363,437.06 = 142,500.79/x
  3. Step 3: Cross multiply
    263,362.17x = 363,437.06 × 142,500.79
  4. Step 4: Simplify right side
    263,362.17x = 51,790,067,612.94
  5. Step 5: Solve for x
    x = 51,790,067,612.94/263,362.17
  6. Step 6: Final answer
    x = 196,649.61

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1.5x scale

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.