Home / 119,331.53-164,636.54-73,993.20

Finding the Fourth Proportional to 119,331.53, 164,636.54 and 73,993.20

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Solution

The fourth proportional to 119,331.53, 164,636.54 and 73,993.20 is: 102,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,331.53 : 164,636.54 = 73,993.20 : x
  2. Step 2: Convert to fraction form
    119,331.53/164,636.54 = 73,993.20/x
  3. Step 3: Cross multiply
    119,331.53x = 164,636.54 × 73,993.20
  4. Step 4: Simplify right side
    119,331.53x = 12,181,984,647.73
  5. Step 5: Solve for x
    x = 12,181,984,647.73/119,331.53
  6. Step 6: Final answer
    x = 102,085.21

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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.