Home / 160,637.82-221,648.19-96,979.08

Finding the Fourth Proportional to 160,637.82, 221,648.19 and 96,979.08

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Solution

The fourth proportional to 160,637.82, 221,648.19 and 96,979.08 is: 133,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,637.82 : 221,648.19 = 96,979.08 : x
  2. Step 2: Convert to fraction form
    160,637.82/221,648.19 = 96,979.08/x
  3. Step 3: Cross multiply
    160,637.82x = 221,648.19 × 96,979.08
  4. Step 4: Simplify right side
    160,637.82x = 21,495,237,549.87
  5. Step 5: Solve for x
    x = 21,495,237,549.87/160,637.82
  6. Step 6: Final answer
    x = 133,811.81

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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.