Home / 196,234.80-270,912.60-135,070.08

Finding the Fourth Proportional to 196,234.80, 270,912.60 and 135,070.08

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Solution

The fourth proportional to 196,234.80, 270,912.60 and 135,070.08 is: 186,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,234.80 : 270,912.60 = 135,070.08 : x
  2. Step 2: Convert to fraction form
    196,234.80/270,912.60 = 135,070.08/x
  3. Step 3: Cross multiply
    196,234.80x = 270,912.60 × 135,070.08
  4. Step 4: Simplify right side
    196,234.80x = 36,592,186,555.01
  5. Step 5: Solve for x
    x = 36,592,186,555.01/196,234.80
  6. Step 6: Final answer
    x = 186,471.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.