Home / 235,347.38-324,781.54-127,917.66

Finding the Fourth Proportional to 235,347.38, 324,781.54 and 127,917.66

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Solution

The fourth proportional to 235,347.38, 324,781.54 and 127,917.66 is: 176,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,347.38 : 324,781.54 = 127,917.66 : x
  2. Step 2: Convert to fraction form
    235,347.38/324,781.54 = 127,917.66/x
  3. Step 3: Cross multiply
    235,347.38x = 324,781.54 × 127,917.66
  4. Step 4: Simplify right side
    235,347.38x = 41,545,294,608.00
  5. Step 5: Solve for x
    x = 41,545,294,608.00/235,347.38
  6. Step 6: Final answer
    x = 176,527.54

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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.