Home / 191,621.56-264,420.60-106,736.80

Finding the Fourth Proportional to 191,621.56, 264,420.60 and 106,736.80

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Solution

The fourth proportional to 191,621.56, 264,420.60 and 106,736.80 is: 147,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,621.56 : 264,420.60 = 106,736.80 : x
  2. Step 2: Convert to fraction form
    191,621.56/264,420.60 = 106,736.80/x
  3. Step 3: Cross multiply
    191,621.56x = 264,420.60 × 106,736.80
  4. Step 4: Simplify right side
    191,621.56x = 28,223,408,698.08
  5. Step 5: Solve for x
    x = 28,223,408,698.08/191,621.56
  6. Step 6: Final answer
    x = 147,287.23

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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.