Home / 263,301.79-363,355.62-142,443.01

Finding the Fourth Proportional to 263,301.79, 363,355.62 and 142,443.01

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Solution

The fourth proportional to 263,301.79, 363,355.62 and 142,443.01 is: 196,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,301.79 : 363,355.62 = 142,443.01 : x
  2. Step 2: Convert to fraction form
    263,301.79/363,355.62 = 142,443.01/x
  3. Step 3: Cross multiply
    263,301.79x = 363,355.62 × 142,443.01
  4. Step 4: Simplify right side
    263,301.79x = 51,757,466,890.62
  5. Step 5: Solve for x
    x = 51,757,466,890.62/263,301.79
  6. Step 6: Final answer
    x = 196,570.89

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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.