Home / 263,548.85-363,692.99-142,689.16

Finding the Fourth Proportional to 263,548.85, 363,692.99 and 142,689.16

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Solution

The fourth proportional to 263,548.85, 363,692.99 and 142,689.16 is: 196,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,548.85 : 363,692.99 = 142,689.16 : x
  2. Step 2: Convert to fraction form
    263,548.85/363,692.99 = 142,689.16/x
  3. Step 3: Cross multiply
    263,548.85x = 363,692.99 × 142,689.16
  4. Step 4: Simplify right side
    263,548.85x = 51,895,044,709.08
  5. Step 5: Solve for x
    x = 51,895,044,709.08/263,548.85
  6. Step 6: Final answer
    x = 196,908.64

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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.