Home / 112,008.80-167,864.88-82,288.64

Finding the Fourth Proportional to 112,008.80, 167,864.88 and 82,288.64

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Solution

The fourth proportional to 112,008.80, 167,864.88 and 82,288.64 is: 123,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008.80 : 167,864.88 = 82,288.64 : x
  2. Step 2: Convert to fraction form
    112,008.80/167,864.88 = 82,288.64/x
  3. Step 3: Cross multiply
    112,008.80x = 167,864.88 × 82,288.64
  4. Step 4: Simplify right side
    112,008.80x = 13,813,372,678.96
  5. Step 5: Solve for x
    x = 13,813,372,678.96/112,008.80
  6. Step 6: Final answer
    x = 123,323.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.