Home / 148,675.17-205,171.93-80,692.14

Finding the Fourth Proportional to 148,675.17, 205,171.93 and 80,692.14

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Solution

The fourth proportional to 148,675.17, 205,171.93 and 80,692.14 is: 111,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,675.17 : 205,171.93 = 80,692.14 : x
  2. Step 2: Convert to fraction form
    148,675.17/205,171.93 = 80,692.14/x
  3. Step 3: Cross multiply
    148,675.17x = 205,171.93 × 80,692.14
  4. Step 4: Simplify right side
    148,675.17x = 16,555,762,468.49
  5. Step 5: Solve for x
    x = 16,555,762,468.49/148,675.17
  6. Step 6: Final answer
    x = 111,355.26

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1.5x scale

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.