Home / 130,051.20-195,076.80-97,003.20

Finding the Fourth Proportional to 130,051.20, 195,076.80 and 97,003.20

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Solution

The fourth proportional to 130,051.20, 195,076.80 and 97,003.20 is: 145,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,051.20 : 195,076.80 = 97,003.20 : x
  2. Step 2: Convert to fraction form
    130,051.20/195,076.80 = 97,003.20/x
  3. Step 3: Cross multiply
    130,051.20x = 195,076.80 × 97,003.20
  4. Step 4: Simplify right side
    130,051.20x = 18,923,073,845.76
  5. Step 5: Solve for x
    x = 18,923,073,845.76/130,051.20
  6. Step 6: Final answer
    x = 145,504.80

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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.