Home / 287,641.01-396,933.77-166,787.39

Finding the Fourth Proportional to 287,641.01, 396,933.77 and 166,787.39

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Solution

The fourth proportional to 287,641.01, 396,933.77 and 166,787.39 is: 230,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,641.01 : 396,933.77 = 166,787.39 : x
  2. Step 2: Convert to fraction form
    287,641.01/396,933.77 = 166,787.39/x
  3. Step 3: Cross multiply
    287,641.01x = 396,933.77 × 166,787.39
  4. Step 4: Simplify right side
    287,641.01x = 66,203,544,682.55
  5. Step 5: Solve for x
    x = 66,203,544,682.55/287,641.01
  6. Step 6: Final answer
    x = 230,160.32

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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.