Home / 128,016.22-192,024.35-34,521.98

Finding the Fourth Proportional to 128,016.22, 192,024.35 and 34,521.98

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Solution

The fourth proportional to 128,016.22, 192,024.35 and 34,521.98 is: 51,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,016.22 : 192,024.35 = 34,521.98 : x
  2. Step 2: Convert to fraction form
    128,016.22/192,024.35 = 34,521.98/x
  3. Step 3: Cross multiply
    128,016.22x = 192,024.35 × 34,521.98
  4. Step 4: Simplify right side
    128,016.22x = 6,629,060,770.21
  5. Step 5: Solve for x
    x = 6,629,060,770.21/128,016.22
  6. Step 6: Final answer
    x = 51,782.98

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1.5x scale

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.