Home / 312,240.64-430,882.24-184,917.44

Finding the Fourth Proportional to 312,240.64, 430,882.24 and 184,917.44

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Solution

The fourth proportional to 312,240.64, 430,882.24 and 184,917.44 is: 255,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,240.64 : 430,882.24 = 184,917.44 : x
  2. Step 2: Convert to fraction form
    312,240.64/430,882.24 = 184,917.44/x
  3. Step 3: Cross multiply
    312,240.64x = 430,882.24 × 184,917.44
  4. Step 4: Simplify right side
    312,240.64x = 79,677,640,762.27
  5. Step 5: Solve for x
    x = 79,677,640,762.27/312,240.64
  6. Step 6: Final answer
    x = 255,180.24

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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.