Home / 214,525.72-321,836.42-70,437.96

Finding the Fourth Proportional to 214,525.72, 321,836.42 and 70,437.96

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Solution

The fourth proportional to 214,525.72, 321,836.42 and 70,437.96 is: 105,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,525.72 : 321,836.42 = 70,437.96 : x
  2. Step 2: Convert to fraction form
    214,525.72/321,836.42 = 70,437.96/x
  3. Step 3: Cross multiply
    214,525.72x = 321,836.42 × 70,437.96
  4. Step 4: Simplify right side
    214,525.72x = 22,669,501,054.60
  5. Step 5: Solve for x
    x = 22,669,501,054.60/214,525.72
  6. Step 6: Final answer
    x = 105,672.65

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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.