Home / 141,986.12-213,016.23-53,241.30

Finding the Fourth Proportional to 141,986.12, 213,016.23 and 53,241.30

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Solution

The fourth proportional to 141,986.12, 213,016.23 and 53,241.30 is: 79,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,986.12 : 213,016.23 = 53,241.30 : x
  2. Step 2: Convert to fraction form
    141,986.12/213,016.23 = 53,241.30/x
  3. Step 3: Cross multiply
    141,986.12x = 213,016.23 × 53,241.30
  4. Step 4: Simplify right side
    141,986.12x = 11,341,261,006.30
  5. Step 5: Solve for x
    x = 11,341,261,006.30/141,986.12
  6. Step 6: Final answer
    x = 79,875.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.