Home / 179,481.42-247,686-98,911.83

Finding the Fourth Proportional to 179,481.42, 247,686 and 98,911.83

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Solution

The fourth proportional to 179,481.42, 247,686 and 98,911.83 is: 136,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,481.42 : 247,686 = 98,911.83 : x
  2. Step 2: Convert to fraction form
    179,481.42/247,686 = 98,911.83/x
  3. Step 3: Cross multiply
    179,481.42x = 247,686 × 98,911.83
  4. Step 4: Simplify right side
    179,481.42x = 24,499,075,525.38
  5. Step 5: Solve for x
    x = 24,499,075,525.38/179,481.42
  6. Step 6: Final answer
    x = 136,499.23

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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.