Home / 136,443.96-188,292.98-79,094.36

Finding the Fourth Proportional to 136,443.96, 188,292.98 and 79,094.36

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Solution

The fourth proportional to 136,443.96, 188,292.98 and 79,094.36 is: 109,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,443.96 : 188,292.98 = 79,094.36 : x
  2. Step 2: Convert to fraction form
    136,443.96/188,292.98 = 79,094.36/x
  3. Step 3: Cross multiply
    136,443.96x = 188,292.98 × 79,094.36
  4. Step 4: Simplify right side
    136,443.96x = 14,892,912,745.59
  5. Step 5: Solve for x
    x = 14,892,912,745.59/136,443.96
  6. Step 6: Final answer
    x = 109,150.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.