Home / 233,505.72-322,195.09-131,509.34

Finding the Fourth Proportional to 233,505.72, 322,195.09 and 131,509.34

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Solution

The fourth proportional to 233,505.72, 322,195.09 and 131,509.34 is: 181,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,505.72 : 322,195.09 = 131,509.34 : x
  2. Step 2: Convert to fraction form
    233,505.72/322,195.09 = 131,509.34/x
  3. Step 3: Cross multiply
    233,505.72x = 322,195.09 × 131,509.34
  4. Step 4: Simplify right side
    233,505.72x = 42,371,662,905.62
  5. Step 5: Solve for x
    x = 42,371,662,905.62/233,505.72
  6. Step 6: Final answer
    x = 181,458.78

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1.5x scale

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.