Home / 130,796.41-180,504.99-77,083.69

Finding the Fourth Proportional to 130,796.41, 180,504.99 and 77,083.69

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Solution

The fourth proportional to 130,796.41, 180,504.99 and 77,083.69 is: 106,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,796.41 : 180,504.99 = 77,083.69 : x
  2. Step 2: Convert to fraction form
    130,796.41/180,504.99 = 77,083.69/x
  3. Step 3: Cross multiply
    130,796.41x = 180,504.99 × 77,083.69
  4. Step 4: Simplify right side
    130,796.41x = 13,913,990,692.61
  5. Step 5: Solve for x
    x = 13,913,990,692.61/130,796.41
  6. Step 6: Final answer
    x = 106,379.00

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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.