Home / 136,981.44-205,518.84-73,808.04

Finding the Fourth Proportional to 136,981.44, 205,518.84 and 73,808.04

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Solution

The fourth proportional to 136,981.44, 205,518.84 and 73,808.04 is: 110,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,981.44 : 205,518.84 = 73,808.04 : x
  2. Step 2: Convert to fraction form
    136,981.44/205,518.84 = 73,808.04/x
  3. Step 3: Cross multiply
    136,981.44x = 205,518.84 × 73,808.04
  4. Step 4: Simplify right side
    136,981.44x = 15,168,942,763.47
  5. Step 5: Solve for x
    x = 15,168,942,763.47/136,981.44
  6. Step 6: Final answer
    x = 110,737.21

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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.