Home / 131,692.15-197,598.20-55,811.45

Finding the Fourth Proportional to 131,692.15, 197,598.20 and 55,811.45

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Solution

The fourth proportional to 131,692.15, 197,598.20 and 55,811.45 is: 83,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,692.15 : 197,598.20 = 55,811.45 : x
  2. Step 2: Convert to fraction form
    131,692.15/197,598.20 = 55,811.45/x
  3. Step 3: Cross multiply
    131,692.15x = 197,598.20 × 55,811.45
  4. Step 4: Simplify right side
    131,692.15x = 11,028,242,274.33
  5. Step 5: Solve for x
    x = 11,028,242,274.33/131,692.15
  6. Step 6: Final answer
    x = 83,742.60

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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.