Home / 145,860.60-219,021.30-106,692.60

Finding the Fourth Proportional to 145,860.60, 219,021.30 and 106,692.60

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Solution

The fourth proportional to 145,860.60, 219,021.30 and 106,692.60 is: 160,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,860.60 : 219,021.30 = 106,692.60 : x
  2. Step 2: Convert to fraction form
    145,860.60/219,021.30 = 106,692.60/x
  3. Step 3: Cross multiply
    145,860.60x = 219,021.30 × 106,692.60
  4. Step 4: Simplify right side
    145,860.60x = 23,367,951,952.38
  5. Step 5: Solve for x
    x = 23,367,951,952.38/145,860.60
  6. Step 6: Final answer
    x = 160,207.43

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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.