Home / 136,111.16-204,015.48-102,722.96

Finding the Fourth Proportional to 136,111.16, 204,015.48 and 102,722.96

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Solution

The fourth proportional to 136,111.16, 204,015.48 and 102,722.96 is: 153,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,111.16 : 204,015.48 = 102,722.96 : x
  2. Step 2: Convert to fraction form
    136,111.16/204,015.48 = 102,722.96/x
  3. Step 3: Cross multiply
    136,111.16x = 204,015.48 × 102,722.96
  4. Step 4: Simplify right side
    136,111.16x = 20,957,073,991.42
  5. Step 5: Solve for x
    x = 20,957,073,991.42/136,111.16
  6. Step 6: Final answer
    x = 153,970.28

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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.