Home / 101,134.20-151,355.70-88,692.60

Finding the Fourth Proportional to 101,134.20, 151,355.70 and 88,692.60

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Solution

The fourth proportional to 101,134.20, 151,355.70 and 88,692.60 is: 132,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,134.20 : 151,355.70 = 88,692.60 : x
  2. Step 2: Convert to fraction form
    101,134.20/151,355.70 = 88,692.60/x
  3. Step 3: Cross multiply
    101,134.20x = 151,355.70 × 88,692.60
  4. Step 4: Simplify right side
    101,134.20x = 13,424,130,557.82
  5. Step 5: Solve for x
    x = 13,424,130,557.82/101,134.20
  6. Step 6: Final answer
    x = 132,735.82

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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.