Home / 194,121.77-291,180.96-53,880.39

Finding the Fourth Proportional to 194,121.77, 291,180.96 and 53,880.39

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Solution

The fourth proportional to 194,121.77, 291,180.96 and 53,880.39 is: 80,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,121.77 : 291,180.96 = 53,880.39 : x
  2. Step 2: Convert to fraction form
    194,121.77/291,180.96 = 53,880.39/x
  3. Step 3: Cross multiply
    194,121.77x = 291,180.96 × 53,880.39
  4. Step 4: Simplify right side
    194,121.77x = 15,688,943,685.37
  5. Step 5: Solve for x
    x = 15,688,943,685.37/194,121.77
  6. Step 6: Final answer
    x = 80,820.12

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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.