Home / 263,408.77-363,504.14-142,550.09

Finding the Fourth Proportional to 263,408.77, 363,504.14 and 142,550.09

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Solution

The fourth proportional to 263,408.77, 363,504.14 and 142,550.09 is: 196,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,408.77 : 363,504.14 = 142,550.09 : x
  2. Step 2: Convert to fraction form
    263,408.77/363,504.14 = 142,550.09/x
  3. Step 3: Cross multiply
    263,408.77x = 363,504.14 × 142,550.09
  4. Step 4: Simplify right side
    263,408.77x = 51,817,547,239.80
  5. Step 5: Solve for x
    x = 51,817,547,239.80/263,408.77
  6. Step 6: Final answer
    x = 196,719.14

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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.