Home / 100,926.06-151,390.24-43,215.53

Finding the Fourth Proportional to 100,926.06, 151,390.24 and 43,215.53

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Solution

The fourth proportional to 100,926.06, 151,390.24 and 43,215.53 is: 64,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926.06 : 151,390.24 = 43,215.53 : x
  2. Step 2: Convert to fraction form
    100,926.06/151,390.24 = 43,215.53/x
  3. Step 3: Cross multiply
    100,926.06x = 151,390.24 × 43,215.53
  4. Step 4: Simplify right side
    100,926.06x = 6,542,409,458.43
  5. Step 5: Solve for x
    x = 6,542,409,458.43/100,926.06
  6. Step 6: Final answer
    x = 64,823.79

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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.