Home / 214,212.32-320,924.36-134,235.38

Finding the Fourth Proportional to 214,212.32, 320,924.36 and 134,235.38

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Solution

The fourth proportional to 214,212.32, 320,924.36 and 134,235.38 is: 201,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,212.32 : 320,924.36 = 134,235.38 : x
  2. Step 2: Convert to fraction form
    214,212.32/320,924.36 = 134,235.38/x
  3. Step 3: Cross multiply
    214,212.32x = 320,924.36 × 134,235.38
  4. Step 4: Simplify right side
    214,212.32x = 43,079,404,553.76
  5. Step 5: Solve for x
    x = 43,079,404,553.76/214,212.32
  6. Step 6: Final answer
    x = 201,106.11

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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.