Home / 218,533.75-327,995.31-111,990.26

Finding the Fourth Proportional to 218,533.75, 327,995.31 and 111,990.26

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Solution

The fourth proportional to 218,533.75, 327,995.31 and 111,990.26 is: 168,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,533.75 : 327,995.31 = 111,990.26 : x
  2. Step 2: Convert to fraction form
    218,533.75/327,995.31 = 111,990.26/x
  3. Step 3: Cross multiply
    218,533.75x = 327,995.31 × 111,990.26
  4. Step 4: Simplify right side
    218,533.75x = 36,732,280,045.68
  5. Step 5: Solve for x
    x = 36,732,280,045.68/218,533.75
  6. Step 6: Final answer
    x = 168,085.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.