Home / 185,795.26-278,621.56-79,111.59

Finding the Fourth Proportional to 185,795.26, 278,621.56 and 79,111.59

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Solution

The fourth proportional to 185,795.26, 278,621.56 and 79,111.59 is: 118,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,795.26 : 278,621.56 = 79,111.59 : x
  2. Step 2: Convert to fraction form
    185,795.26/278,621.56 = 79,111.59/x
  3. Step 3: Cross multiply
    185,795.26x = 278,621.56 × 79,111.59
  4. Step 4: Simplify right side
    185,795.26x = 22,042,194,619.88
  5. Step 5: Solve for x
    x = 22,042,194,619.88/185,795.26
  6. Step 6: Final answer
    x = 118,637.01

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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.