Home / 119,178.06-164,431.80-82,893.30

Finding the Fourth Proportional to 119,178.06, 164,431.80 and 82,893.30

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Solution

The fourth proportional to 119,178.06, 164,431.80 and 82,893.30 is: 114,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178.06 : 164,431.80 = 82,893.30 : x
  2. Step 2: Convert to fraction form
    119,178.06/164,431.80 = 82,893.30/x
  3. Step 3: Cross multiply
    119,178.06x = 164,431.80 × 82,893.30
  4. Step 4: Simplify right side
    119,178.06x = 13,630,294,526.94
  5. Step 5: Solve for x
    x = 13,630,294,526.94/119,178.06
  6. Step 6: Final answer
    x = 114,369.16

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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.