Home / 108,786.73-163,143.15-37,692.78

Finding the Fourth Proportional to 108,786.73, 163,143.15 and 37,692.78

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Solution

The fourth proportional to 108,786.73, 163,143.15 and 37,692.78 is: 56,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,786.73 : 163,143.15 = 37,692.78 : x
  2. Step 2: Convert to fraction form
    108,786.73/163,143.15 = 37,692.78/x
  3. Step 3: Cross multiply
    108,786.73x = 163,143.15 × 37,692.78
  4. Step 4: Simplify right side
    108,786.73x = 6,149,318,265.14
  5. Step 5: Solve for x
    x = 6,149,318,265.14/108,786.73
  6. Step 6: Final answer
    x = 56,526.36

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1.5x scale

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.