Home / 175,021.08-262,137.54-122,664.36

Finding the Fourth Proportional to 175,021.08, 262,137.54 and 122,664.36

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Solution

The fourth proportional to 175,021.08, 262,137.54 and 122,664.36 is: 183,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,021.08 : 262,137.54 = 122,664.36 : x
  2. Step 2: Convert to fraction form
    175,021.08/262,137.54 = 122,664.36/x
  3. Step 3: Cross multiply
    175,021.08x = 262,137.54 × 122,664.36
  4. Step 4: Simplify right side
    175,021.08x = 32,154,933,576.07
  5. Step 5: Solve for x
    x = 32,154,933,576.07/175,021.08
  6. Step 6: Final answer
    x = 183,720.35

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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.