Home / 100,840.50-151,247.31-34,277.94

Finding the Fourth Proportional to 100,840.50, 151,247.31 and 34,277.94

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Solution

The fourth proportional to 100,840.50, 151,247.31 and 34,277.94 is: 51,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,840.50 : 151,247.31 = 34,277.94 : x
  2. Step 2: Convert to fraction form
    100,840.50/151,247.31 = 34,277.94/x
  3. Step 3: Cross multiply
    100,840.50x = 151,247.31 × 34,277.94
  4. Step 4: Simplify right side
    100,840.50x = 5,184,446,217.34
  5. Step 5: Solve for x
    x = 5,184,446,217.34/100,840.50
  6. Step 6: Final answer
    x = 51,412.34

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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.