Home / 130,550.94-195,840.05-55,679.00

Finding the Fourth Proportional to 130,550.94, 195,840.05 and 55,679.00

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Solution

The fourth proportional to 130,550.94, 195,840.05 and 55,679.00 is: 83,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,550.94 : 195,840.05 = 55,679.00 : x
  2. Step 2: Convert to fraction form
    130,550.94/195,840.05 = 55,679.00/x
  3. Step 3: Cross multiply
    130,550.94x = 195,840.05 × 55,679.00
  4. Step 4: Simplify right side
    130,550.94x = 10,904,176,886.35
  5. Step 5: Solve for x
    x = 10,904,176,886.35/130,550.94
  6. Step 6: Final answer
    x = 83,524.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.