Home / 131,652.45-197,499.15-42,885.32

Finding the Fourth Proportional to 131,652.45, 197,499.15 and 42,885.32

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Solution

The fourth proportional to 131,652.45, 197,499.15 and 42,885.32 is: 64,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,652.45 : 197,499.15 = 42,885.32 : x
  2. Step 2: Convert to fraction form
    131,652.45/197,499.15 = 42,885.32/x
  3. Step 3: Cross multiply
    131,652.45x = 197,499.15 × 42,885.32
  4. Step 4: Simplify right side
    131,652.45x = 8,469,813,259.98
  5. Step 5: Solve for x
    x = 8,469,813,259.98/131,652.45
  6. Step 6: Final answer
    x = 64,334.64

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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.