Home / 161,916.60-223,383.78-161,667.12

Finding the Fourth Proportional to 161,916.60, 223,383.78 and 161,667.12

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Solution

The fourth proportional to 161,916.60, 223,383.78 and 161,667.12 is: 223,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,916.60 : 223,383.78 = 161,667.12 : x
  2. Step 2: Convert to fraction form
    161,916.60/223,383.78 = 161,667.12/x
  3. Step 3: Cross multiply
    161,916.60x = 223,383.78 × 161,667.12
  4. Step 4: Simplify right side
    161,916.60x = 36,113,812,367.31
  5. Step 5: Solve for x
    x = 36,113,812,367.31/161,916.60
  6. Step 6: Final answer
    x = 223,039.59

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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.