Home / 119,178.12-164,447.98-68,182.75

Finding the Fourth Proportional to 119,178.12, 164,447.98 and 68,182.75

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Solution

The fourth proportional to 119,178.12, 164,447.98 and 68,182.75 is: 94,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178.12 : 164,447.98 = 68,182.75 : x
  2. Step 2: Convert to fraction form
    119,178.12/164,447.98 = 68,182.75/x
  3. Step 3: Cross multiply
    119,178.12x = 164,447.98 × 68,182.75
  4. Step 4: Simplify right side
    119,178.12x = 11,212,515,508.35
  5. Step 5: Solve for x
    x = 11,212,515,508.35/119,178.12
  6. Step 6: Final answer
    x = 94,082.00

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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.