Home / 312,183.52-430,811.66-168,943.59

Finding the Fourth Proportional to 312,183.52, 430,811.66 and 168,943.59

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Solution

The fourth proportional to 312,183.52, 430,811.66 and 168,943.59 is: 233,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,183.52 : 430,811.66 = 168,943.59 : x
  2. Step 2: Convert to fraction form
    312,183.52/430,811.66 = 168,943.59/x
  3. Step 3: Cross multiply
    312,183.52x = 430,811.66 × 168,943.59
  4. Step 4: Simplify right side
    312,183.52x = 72,782,868,876.62
  5. Step 5: Solve for x
    x = 72,782,868,876.62/312,183.52
  6. Step 6: Final answer
    x = 233,141.29

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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.