Home / 179,621.99-247,851.29-103,144.42

Finding the Fourth Proportional to 179,621.99, 247,851.29 and 103,144.42

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Solution

The fourth proportional to 179,621.99, 247,851.29 and 103,144.42 is: 142,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,621.99 : 247,851.29 = 103,144.42 : x
  2. Step 2: Convert to fraction form
    179,621.99/247,851.29 = 103,144.42/x
  3. Step 3: Cross multiply
    179,621.99x = 247,851.29 × 103,144.42
  4. Step 4: Simplify right side
    179,621.99x = 25,564,478,120.98
  5. Step 5: Solve for x
    x = 25,564,478,120.98/179,621.99
  6. Step 6: Final answer
    x = 142,323.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.