Home / 214,115.81-321,026.09-94,115.12

Finding the Fourth Proportional to 214,115.81, 321,026.09 and 94,115.12

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Solution

The fourth proportional to 214,115.81, 321,026.09 and 94,115.12 is: 141,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,115.81 : 321,026.09 = 94,115.12 : x
  2. Step 2: Convert to fraction form
    214,115.81/321,026.09 = 94,115.12/x
  3. Step 3: Cross multiply
    214,115.81x = 321,026.09 × 94,115.12
  4. Step 4: Simplify right side
    214,115.81x = 30,213,406,907.77
  5. Step 5: Solve for x
    x = 30,213,406,907.77/214,115.81
  6. Step 6: Final answer
    x = 141,107.78

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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.