Home / 226,747.76-312,914.75-124,784.96

Finding the Fourth Proportional to 226,747.76, 312,914.75 and 124,784.96

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Solution

The fourth proportional to 226,747.76, 312,914.75 and 124,784.96 is: 172,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,747.76 : 312,914.75 = 124,784.96 : x
  2. Step 2: Convert to fraction form
    226,747.76/312,914.75 = 124,784.96/x
  3. Step 3: Cross multiply
    226,747.76x = 312,914.75 × 124,784.96
  4. Step 4: Simplify right side
    226,747.76x = 39,047,052,373.66
  5. Step 5: Solve for x
    x = 39,047,052,373.66/226,747.76
  6. Step 6: Final answer
    x = 172,204.80

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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.