Home / 263,550.51-363,697.95-142,691.57

Finding the Fourth Proportional to 263,550.51, 363,697.95 and 142,691.57

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Solution

The fourth proportional to 263,550.51, 363,697.95 and 142,691.57 is: 196,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,550.51 : 363,697.95 = 142,691.57 : x
  2. Step 2: Convert to fraction form
    263,550.51/363,697.95 = 142,691.57/x
  3. Step 3: Cross multiply
    263,550.51x = 363,697.95 × 142,691.57
  4. Step 4: Simplify right side
    263,550.51x = 51,896,632,814.91
  5. Step 5: Solve for x
    x = 51,896,632,814.91/263,550.51
  6. Step 6: Final answer
    x = 196,913.42

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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.