Home / 153,664.94-230,062.74-81,453.31

Finding the Fourth Proportional to 153,664.94, 230,062.74 and 81,453.31

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Solution

The fourth proportional to 153,664.94, 230,062.74 and 81,453.31 is: 121,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,664.94 : 230,062.74 = 81,453.31 : x
  2. Step 2: Convert to fraction form
    153,664.94/230,062.74 = 81,453.31/x
  3. Step 3: Cross multiply
    153,664.94x = 230,062.74 × 81,453.31
  4. Step 4: Simplify right side
    153,664.94x = 18,739,372,222.11
  5. Step 5: Solve for x
    x = 18,739,372,222.11/153,664.94
  6. Step 6: Final answer
    x = 121,949.56

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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.