Home / 148,901.24-205,692.90-135,448.76

Finding the Fourth Proportional to 148,901.24, 205,692.90 and 135,448.76

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Solution

The fourth proportional to 148,901.24, 205,692.90 and 135,448.76 is: 187,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,901.24 : 205,692.90 = 135,448.76 : x
  2. Step 2: Convert to fraction form
    148,901.24/205,692.90 = 135,448.76/x
  3. Step 3: Cross multiply
    148,901.24x = 205,692.90 × 135,448.76
  4. Step 4: Simplify right side
    148,901.24x = 27,860,848,245.80
  5. Step 5: Solve for x
    x = 27,860,848,245.80/148,901.24
  6. Step 6: Final answer
    x = 187,109.58

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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.