Home / 189,741.70-284,940.60-101,168.20

Finding the Fourth Proportional to 189,741.70, 284,940.60 and 101,168.20

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Solution

The fourth proportional to 189,741.70, 284,940.60 and 101,168.20 is: 151,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,741.70 : 284,940.60 = 101,168.20 : x
  2. Step 2: Convert to fraction form
    189,741.70/284,940.60 = 101,168.20/x
  3. Step 3: Cross multiply
    189,741.70x = 284,940.60 × 101,168.20
  4. Step 4: Simplify right side
    189,741.70x = 28,826,927,608.92
  5. Step 5: Solve for x
    x = 28,826,927,608.92/189,741.70
  6. Step 6: Final answer
    x = 151,927.21

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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.