Home / 263,411.19-363,508.32-142,552.40

Finding the Fourth Proportional to 263,411.19, 363,508.32 and 142,552.40

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Solution

The fourth proportional to 263,411.19, 363,508.32 and 142,552.40 is: 196,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,411.19 : 363,508.32 = 142,552.40 : x
  2. Step 2: Convert to fraction form
    263,411.19/363,508.32 = 142,552.40/x
  3. Step 3: Cross multiply
    263,411.19x = 363,508.32 × 142,552.40
  4. Step 4: Simplify right side
    263,411.19x = 51,818,981,618.43
  5. Step 5: Solve for x
    x = 51,818,981,618.43/263,411.19
  6. Step 6: Final answer
    x = 196,722.78

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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.