Home / 263,394.11-363,483.87-142,535.40

Finding the Fourth Proportional to 263,394.11, 363,483.87 and 142,535.40

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Solution

The fourth proportional to 263,394.11, 363,483.87 and 142,535.40 is: 196,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,394.11 : 363,483.87 = 142,535.40 : x
  2. Step 2: Convert to fraction form
    263,394.11/363,483.87 = 142,535.40/x
  3. Step 3: Cross multiply
    263,394.11x = 363,483.87 × 142,535.40
  4. Step 4: Simplify right side
    263,394.11x = 51,809,317,708.19
  5. Step 5: Solve for x
    x = 51,809,317,708.19/263,394.11
  6. Step 6: Final answer
    x = 196,698.85

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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.