Home / 226,501.96-312,608.82-131,066.68

Finding the Fourth Proportional to 226,501.96, 312,608.82 and 131,066.68

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Solution

The fourth proportional to 226,501.96, 312,608.82 and 131,066.68 is: 180,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,501.96 : 312,608.82 = 131,066.68 : x
  2. Step 2: Convert to fraction form
    226,501.96/312,608.82 = 131,066.68/x
  3. Step 3: Cross multiply
    226,501.96x = 312,608.82 × 131,066.68
  4. Step 4: Simplify right side
    226,501.96x = 40,972,600,176.12
  5. Step 5: Solve for x
    x = 40,972,600,176.12/226,501.96
  6. Step 6: Final answer
    x = 180,892.92

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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.