Home / 131,635.08-197,043.12-71,513.22

Finding the Fourth Proportional to 131,635.08, 197,043.12 and 71,513.22

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Solution

The fourth proportional to 131,635.08, 197,043.12 and 71,513.22 is: 107,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,635.08 : 197,043.12 = 71,513.22 : x
  2. Step 2: Convert to fraction form
    131,635.08/197,043.12 = 71,513.22/x
  3. Step 3: Cross multiply
    131,635.08x = 197,043.12 × 71,513.22
  4. Step 4: Simplify right side
    131,635.08x = 14,091,187,990.05
  5. Step 5: Solve for x
    x = 14,091,187,990.05/131,635.08
  6. Step 6: Final answer
    x = 107,047.36

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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.