Home / 161,232.88-221,993.16-146,286.10

Finding the Fourth Proportional to 161,232.88, 221,993.16 and 146,286.10

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Solution

The fourth proportional to 161,232.88, 221,993.16 and 146,286.10 is: 201,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,232.88 : 221,993.16 = 146,286.10 : x
  2. Step 2: Convert to fraction form
    161,232.88/221,993.16 = 146,286.10/x
  3. Step 3: Cross multiply
    161,232.88x = 221,993.16 × 146,286.10
  4. Step 4: Simplify right side
    161,232.88x = 32,474,513,603.08
  5. Step 5: Solve for x
    x = 32,474,513,603.08/161,232.88
  6. Step 6: Final answer
    x = 201,413.72

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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.