Home / 203,566.80-280,923.87-112,928.70

Finding the Fourth Proportional to 203,566.80, 280,923.87 and 112,928.70

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Solution

The fourth proportional to 203,566.80, 280,923.87 and 112,928.70 is: 155,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,566.80 : 280,923.87 = 112,928.70 : x
  2. Step 2: Convert to fraction form
    203,566.80/280,923.87 = 112,928.70/x
  3. Step 3: Cross multiply
    203,566.80x = 280,923.87 × 112,928.70
  4. Step 4: Simplify right side
    203,566.80x = 31,724,367,438.07
  5. Step 5: Solve for x
    x = 31,724,367,438.07/203,566.80
  6. Step 6: Final answer
    x = 155,842.54

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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.