Home / 287,216.23-396,100.37-179,796.05

Finding the Fourth Proportional to 287,216.23, 396,100.37 and 179,796.05

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Solution

The fourth proportional to 287,216.23, 396,100.37 and 179,796.05 is: 247,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,216.23 : 396,100.37 = 179,796.05 : x
  2. Step 2: Convert to fraction form
    287,216.23/396,100.37 = 179,796.05/x
  3. Step 3: Cross multiply
    287,216.23x = 396,100.37 × 179,796.05
  4. Step 4: Simplify right side
    287,216.23x = 71,217,281,030.56
  5. Step 5: Solve for x
    x = 71,217,281,030.56/287,216.23
  6. Step 6: Final answer
    x = 247,957.03

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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.