Home / 100,940.27-151,410.62-94,774.75

Finding the Fourth Proportional to 100,940.27, 151,410.62 and 94,774.75

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Solution

The fourth proportional to 100,940.27, 151,410.62 and 94,774.75 is: 142,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,940.27 : 151,410.62 = 94,774.75 : x
  2. Step 2: Convert to fraction form
    100,940.27/151,410.62 = 94,774.75/x
  3. Step 3: Cross multiply
    100,940.27x = 151,410.62 × 94,774.75
  4. Step 4: Simplify right side
    100,940.27x = 14,349,903,516.26
  5. Step 5: Solve for x
    x = 14,349,903,516.26/100,940.27
  6. Step 6: Final answer
    x = 142,162.33

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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.