Home / 263,221.40-363,244.38-142,362.83

Finding the Fourth Proportional to 263,221.40, 363,244.38 and 142,362.83

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Solution

The fourth proportional to 263,221.40, 363,244.38 and 142,362.83 is: 196,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,221.40 : 363,244.38 = 142,362.83 : x
  2. Step 2: Convert to fraction form
    263,221.40/363,244.38 = 142,362.83/x
  3. Step 3: Cross multiply
    263,221.40x = 363,244.38 × 142,362.83
  4. Step 4: Simplify right side
    263,221.40x = 51,712,497,918.40
  5. Step 5: Solve for x
    x = 51,712,497,918.40/263,221.40
  6. Step 6: Final answer
    x = 196,460.08

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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.