Home / 287,118.02-396,245.72-166,261.41

Finding the Fourth Proportional to 287,118.02, 396,245.72 and 166,261.41

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Solution

The fourth proportional to 287,118.02, 396,245.72 and 166,261.41 is: 229,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,118.02 : 396,245.72 = 166,261.41 : x
  2. Step 2: Convert to fraction form
    287,118.02/396,245.72 = 166,261.41/x
  3. Step 3: Cross multiply
    287,118.02x = 396,245.72 × 166,261.41
  4. Step 4: Simplify right side
    287,118.02x = 65,880,372,529.32
  5. Step 5: Solve for x
    x = 65,880,372,529.32/287,118.02
  6. Step 6: Final answer
    x = 229,453.98

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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.