Home / 286,961.54-396,025.40-159,637.03

Finding the Fourth Proportional to 286,961.54, 396,025.40 and 159,637.03

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Solution

The fourth proportional to 286,961.54, 396,025.40 and 159,637.03 is: 220,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,961.54 : 396,025.40 = 159,637.03 : x
  2. Step 2: Convert to fraction form
    286,961.54/396,025.40 = 159,637.03/x
  3. Step 3: Cross multiply
    286,961.54x = 396,025.40 × 159,637.03
  4. Step 4: Simplify right side
    286,961.54x = 63,220,318,069.59
  5. Step 5: Solve for x
    x = 63,220,318,069.59/286,961.54
  6. Step 6: Final answer
    x = 220,309.38

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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.