Home / 130,088.62-195,198.54-51,259.42

Finding the Fourth Proportional to 130,088.62, 195,198.54 and 51,259.42

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Solution

The fourth proportional to 130,088.62, 195,198.54 and 51,259.42 is: 76,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,088.62 : 195,198.54 = 51,259.42 : x
  2. Step 2: Convert to fraction form
    130,088.62/195,198.54 = 51,259.42/x
  3. Step 3: Cross multiply
    130,088.62x = 195,198.54 × 51,259.42
  4. Step 4: Simplify right side
    130,088.62x = 10,005,763,945.25
  5. Step 5: Solve for x
    x = 10,005,763,945.25/130,088.62
  6. Step 6: Final answer
    x = 76,914.98

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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.