Home / 130,141.22-195,078.88-73,862.42

Finding the Fourth Proportional to 130,141.22, 195,078.88 and 73,862.42

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Solution

The fourth proportional to 130,141.22, 195,078.88 and 73,862.42 is: 110,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,141.22 : 195,078.88 = 73,862.42 : x
  2. Step 2: Convert to fraction form
    130,141.22/195,078.88 = 73,862.42/x
  3. Step 3: Cross multiply
    130,141.22x = 195,078.88 × 73,862.42
  4. Step 4: Simplify right side
    130,141.22x = 14,408,997,284.62
  5. Step 5: Solve for x
    x = 14,408,997,284.62/130,141.22
  6. Step 6: Final answer
    x = 110,718.17

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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.