Home / 130,118.04-195,045.48-51,201.36

Finding the Fourth Proportional to 130,118.04, 195,045.48 and 51,201.36

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Solution

The fourth proportional to 130,118.04, 195,045.48 and 51,201.36 is: 76,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,118.04 : 195,045.48 = 51,201.36 : x
  2. Step 2: Convert to fraction form
    130,118.04/195,045.48 = 51,201.36/x
  3. Step 3: Cross multiply
    130,118.04x = 195,045.48 × 51,201.36
  4. Step 4: Simplify right side
    130,118.04x = 9,986,593,837.85
  5. Step 5: Solve for x
    x = 9,986,593,837.85/130,118.04
  6. Step 6: Final answer
    x = 76,750.26

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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.