Home / 312,224.50-430,869.79-168,984.54

Finding the Fourth Proportional to 312,224.50, 430,869.79 and 168,984.54

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Solution

The fourth proportional to 312,224.50, 430,869.79 and 168,984.54 is: 233,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,224.50 : 430,869.79 = 168,984.54 : x
  2. Step 2: Convert to fraction form
    312,224.50/430,869.79 = 168,984.54/x
  3. Step 3: Cross multiply
    312,224.50x = 430,869.79 × 168,984.54
  4. Step 4: Simplify right side
    312,224.50x = 72,810,332,840.59
  5. Step 5: Solve for x
    x = 72,810,332,840.59/312,224.50
  6. Step 6: Final answer
    x = 233,198.65

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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.