Home / 191,621.23-264,445.47-106,738.33

Finding the Fourth Proportional to 191,621.23, 264,445.47 and 106,738.33

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Solution

The fourth proportional to 191,621.23, 264,445.47 and 106,738.33 is: 147,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,621.23 : 264,445.47 = 106,738.33 : x
  2. Step 2: Convert to fraction form
    191,621.23/264,445.47 = 106,738.33/x
  3. Step 3: Cross multiply
    191,621.23x = 264,445.47 × 106,738.33
  4. Step 4: Simplify right side
    191,621.23x = 28,226,467,843.87
  5. Step 5: Solve for x
    x = 28,226,467,843.87/191,621.23
  6. Step 6: Final answer
    x = 147,303.45

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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.