Home / 131,416.68-197,227.08-52,538.88

Finding the Fourth Proportional to 131,416.68, 197,227.08 and 52,538.88

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Solution

The fourth proportional to 131,416.68, 197,227.08 and 52,538.88 is: 78,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,416.68 : 197,227.08 = 52,538.88 : x
  2. Step 2: Convert to fraction form
    131,416.68/197,227.08 = 52,538.88/x
  3. Step 3: Cross multiply
    131,416.68x = 197,227.08 × 52,538.88
  4. Step 4: Simplify right side
    131,416.68x = 10,362,089,888.87
  5. Step 5: Solve for x
    x = 10,362,089,888.87/131,416.68
  6. Step 6: Final answer
    x = 78,849.12

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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.