Home / 140,564.98-210,847.20-45,795.04

Finding the Fourth Proportional to 140,564.98, 210,847.20 and 45,795.04

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Solution

The fourth proportional to 140,564.98, 210,847.20 and 45,795.04 is: 68,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,564.98 : 210,847.20 = 45,795.04 : x
  2. Step 2: Convert to fraction form
    140,564.98/210,847.20 = 45,795.04/x
  3. Step 3: Cross multiply
    140,564.98x = 210,847.20 × 45,795.04
  4. Step 4: Simplify right side
    140,564.98x = 9,655,755,957.89
  5. Step 5: Solve for x
    x = 9,655,755,957.89/140,564.98
  6. Step 6: Final answer
    x = 68,692.47

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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.