Home / 263,513.79-363,646.02-142,652.43

Finding the Fourth Proportional to 263,513.79, 363,646.02 and 142,652.43

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Solution

The fourth proportional to 263,513.79, 363,646.02 and 142,652.43 is: 196,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,513.79 : 363,646.02 = 142,652.43 : x
  2. Step 2: Convert to fraction form
    263,513.79/363,646.02 = 142,652.43/x
  3. Step 3: Cross multiply
    263,513.79x = 363,646.02 × 142,652.43
  4. Step 4: Simplify right side
    263,513.79x = 51,874,988,412.83
  5. Step 5: Solve for x
    x = 51,874,988,412.83/263,513.79
  6. Step 6: Final answer
    x = 196,858.72

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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.