Home / 160,667.08-221,712.03-92,680

Finding the Fourth Proportional to 160,667.08, 221,712.03 and 92,680

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Solution

The fourth proportional to 160,667.08, 221,712.03 and 92,680 is: 127,893.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,667.08 : 221,712.03 = 92,680 : x
  2. Step 2: Convert to fraction form
    160,667.08/221,712.03 = 92,680/x
  3. Step 3: Cross multiply
    160,667.08x = 221,712.03 × 92,680
  4. Step 4: Simplify right side
    160,667.08x = 20,548,270,940.40
  5. Step 5: Solve for x
    x = 20,548,270,940.40/160,667.08
  6. Step 6: Final answer
    x = 127,893.47

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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.