Home / 131,811.99-197,701.58-52,899.56

Finding the Fourth Proportional to 131,811.99, 197,701.58 and 52,899.56

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Solution

The fourth proportional to 131,811.99, 197,701.58 and 52,899.56 is: 79,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,811.99 : 197,701.58 = 52,899.56 : x
  2. Step 2: Convert to fraction form
    131,811.99/197,701.58 = 52,899.56/x
  3. Step 3: Cross multiply
    131,811.99x = 197,701.58 × 52,899.56
  4. Step 4: Simplify right side
    131,811.99x = 10,458,327,219.81
  5. Step 5: Solve for x
    x = 10,458,327,219.81/131,811.99
  6. Step 6: Final answer
    x = 79,342.76

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1.5x scale

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.