Home / 243,917.48-335,858.46-213,532.76

Finding the Fourth Proportional to 243,917.48, 335,858.46 and 213,532.76

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Solution

The fourth proportional to 243,917.48, 335,858.46 and 213,532.76 is: 294,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,917.48 : 335,858.46 = 213,532.76 : x
  2. Step 2: Convert to fraction form
    243,917.48/335,858.46 = 213,532.76/x
  3. Step 3: Cross multiply
    243,917.48x = 335,858.46 × 213,532.76
  4. Step 4: Simplify right side
    243,917.48x = 71,716,783,933.15
  5. Step 5: Solve for x
    x = 71,716,783,933.15/243,917.48
  6. Step 6: Final answer
    x = 294,020.68

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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.