Home / 214,880.24-296,552.38-138,558.22

Finding the Fourth Proportional to 214,880.24, 296,552.38 and 138,558.22

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Solution

The fourth proportional to 214,880.24, 296,552.38 and 138,558.22 is: 191,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,880.24 : 296,552.38 = 138,558.22 : x
  2. Step 2: Convert to fraction form
    214,880.24/296,552.38 = 138,558.22/x
  3. Step 3: Cross multiply
    214,880.24x = 296,552.38 × 138,558.22
  4. Step 4: Simplify right side
    214,880.24x = 41,089,769,909.56
  5. Step 5: Solve for x
    x = 41,089,769,909.56/214,880.24
  6. Step 6: Final answer
    x = 191,221.72

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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.