Home / 227,207.55-313,527.98-131,720.39

Finding the Fourth Proportional to 227,207.55, 313,527.98 and 131,720.39

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Solution

The fourth proportional to 227,207.55, 313,527.98 and 131,720.39 is: 181,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,207.55 : 313,527.98 = 131,720.39 : x
  2. Step 2: Convert to fraction form
    227,207.55/313,527.98 = 131,720.39/x
  3. Step 3: Cross multiply
    227,207.55x = 313,527.98 × 131,720.39
  4. Step 4: Simplify right side
    227,207.55x = 41,298,027,142.91
  5. Step 5: Solve for x
    x = 41,298,027,142.91/227,207.55
  6. Step 6: Final answer
    x = 181,763.45

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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.