Home / 235,015.94-324,324.34-127,586.86

Finding the Fourth Proportional to 235,015.94, 324,324.34 and 127,586.86

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Solution

The fourth proportional to 235,015.94, 324,324.34 and 127,586.86 is: 176,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,015.94 : 324,324.34 = 127,586.86 : x
  2. Step 2: Convert to fraction form
    235,015.94/324,324.34 = 127,586.86/x
  3. Step 3: Cross multiply
    235,015.94x = 324,324.34 × 127,586.86
  4. Step 4: Simplify right side
    235,015.94x = 41,379,524,162.17
  5. Step 5: Solve for x
    x = 41,379,524,162.17/235,015.94
  6. Step 6: Final answer
    x = 176,071.14

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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.