Home / 160,845.47-221,977.26-92,865.31

Finding the Fourth Proportional to 160,845.47, 221,977.26 and 92,865.31

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Solution

The fourth proportional to 160,845.47, 221,977.26 and 92,865.31 is: 128,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,845.47 : 221,977.26 = 92,865.31 : x
  2. Step 2: Convert to fraction form
    160,845.47/221,977.26 = 92,865.31/x
  3. Step 3: Cross multiply
    160,845.47x = 221,977.26 × 92,865.31
  4. Step 4: Simplify right side
    160,845.47x = 20,613,985,952.96
  5. Step 5: Solve for x
    x = 20,613,985,952.96/160,845.47
  6. Step 6: Final answer
    x = 128,160.19

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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.