Home / 179,815.78-248,144.55-99,243.30

Finding the Fourth Proportional to 179,815.78, 248,144.55 and 99,243.30

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Solution

The fourth proportional to 179,815.78, 248,144.55 and 99,243.30 is: 136,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,815.78 : 248,144.55 = 99,243.30 : x
  2. Step 2: Convert to fraction form
    179,815.78/248,144.55 = 99,243.30/x
  3. Step 3: Cross multiply
    179,815.78x = 248,144.55 × 99,243.30
  4. Step 4: Simplify right side
    179,815.78x = 24,626,684,019.02
  5. Step 5: Solve for x
    x = 24,626,684,019.02/179,815.78
  6. Step 6: Final answer
    x = 136,955.08

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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.