Home / 233,921.41-322,813.47-129,148.73

Finding the Fourth Proportional to 233,921.41, 322,813.47 and 129,148.73

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Solution

The fourth proportional to 233,921.41, 322,813.47 and 129,148.73 is: 178,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,921.41 : 322,813.47 = 129,148.73 : x
  2. Step 2: Convert to fraction form
    233,921.41/322,813.47 = 129,148.73/x
  3. Step 3: Cross multiply
    233,921.41x = 322,813.47 × 129,148.73
  4. Step 4: Simplify right side
    233,921.41x = 41,690,949,677.39
  5. Step 5: Solve for x
    x = 41,690,949,677.39/233,921.41
  6. Step 6: Final answer
    x = 178,226.31

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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.