Home / 144,271.42-199,086.74-80,596.92

Finding the Fourth Proportional to 144,271.42, 199,086.74 and 80,596.92

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Solution

The fourth proportional to 144,271.42, 199,086.74 and 80,596.92 is: 111,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,271.42 : 199,086.74 = 80,596.92 : x
  2. Step 2: Convert to fraction form
    144,271.42/199,086.74 = 80,596.92/x
  3. Step 3: Cross multiply
    144,271.42x = 199,086.74 × 80,596.92
  4. Step 4: Simplify right side
    144,271.42x = 16,045,776,658.42
  5. Step 5: Solve for x
    x = 16,045,776,658.42/144,271.42
  6. Step 6: Final answer
    x = 111,219.37

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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.