Home / 212,819.59-293,693.31-117,329.70

Finding the Fourth Proportional to 212,819.59, 293,693.31 and 117,329.70

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Solution

The fourth proportional to 212,819.59, 293,693.31 and 117,329.70 is: 161,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,819.59 : 293,693.31 = 117,329.70 : x
  2. Step 2: Convert to fraction form
    212,819.59/293,693.31 = 117,329.70/x
  3. Step 3: Cross multiply
    212,819.59x = 293,693.31 × 117,329.70
  4. Step 4: Simplify right side
    212,819.59x = 34,458,947,954.31
  5. Step 5: Solve for x
    x = 34,458,947,954.31/212,819.59
  6. Step 6: Final answer
    x = 161,916.24

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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.