Home / 212,819.60-293,693.33-117,329.72

Finding the Fourth Proportional to 212,819.60, 293,693.33 and 117,329.72

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Solution

The fourth proportional to 212,819.60, 293,693.33 and 117,329.72 is: 161,916.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,819.60 : 293,693.33 = 117,329.72 : x
  2. Step 2: Convert to fraction form
    212,819.60/293,693.33 = 117,329.72/x
  3. Step 3: Cross multiply
    212,819.60x = 293,693.33 × 117,329.72
  4. Step 4: Simplify right side
    212,819.60x = 34,458,954,119.65
  5. Step 5: Solve for x
    x = 34,458,954,119.65/212,819.60
  6. Step 6: Final answer
    x = 161,916.27

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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.