Home / 119,500.82-164,842.80-74,711.06

Finding the Fourth Proportional to 119,500.82, 164,842.80 and 74,711.06

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Solution

The fourth proportional to 119,500.82, 164,842.80 and 74,711.06 is: 103,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,500.82 : 164,842.80 = 74,711.06 : x
  2. Step 2: Convert to fraction form
    119,500.82/164,842.80 = 74,711.06/x
  3. Step 3: Cross multiply
    119,500.82x = 164,842.80 × 74,711.06
  4. Step 4: Simplify right side
    119,500.82x = 12,315,580,321.37
  5. Step 5: Solve for x
    x = 12,315,580,321.37/119,500.82
  6. Step 6: Final answer
    x = 103,058.54

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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.