Home / 111,331.15-166,996.73-73,277.35

Finding the Fourth Proportional to 111,331.15, 166,996.73 and 73,277.35

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Solution

The fourth proportional to 111,331.15, 166,996.73 and 73,277.35 is: 109,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,331.15 : 166,996.73 = 73,277.35 : x
  2. Step 2: Convert to fraction form
    111,331.15/166,996.73 = 73,277.35/x
  3. Step 3: Cross multiply
    111,331.15x = 166,996.73 × 73,277.35
  4. Step 4: Simplify right side
    111,331.15x = 12,237,077,833.07
  5. Step 5: Solve for x
    x = 12,237,077,833.07/111,331.15
  6. Step 6: Final answer
    x = 109,916.03

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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.