Home / 128,267.82-192,443.58-61,713.36

Finding the Fourth Proportional to 128,267.82, 192,443.58 and 61,713.36

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Solution

The fourth proportional to 128,267.82, 192,443.58 and 61,713.36 is: 92,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,267.82 : 192,443.58 = 61,713.36 : x
  2. Step 2: Convert to fraction form
    128,267.82/192,443.58 = 61,713.36/x
  3. Step 3: Cross multiply
    128,267.82x = 192,443.58 × 61,713.36
  4. Step 4: Simplify right side
    128,267.82x = 11,876,339,932.23
  5. Step 5: Solve for x
    x = 11,876,339,932.23/128,267.82
  6. Step 6: Final answer
    x = 92,590.18

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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.