Home / 212,705.70-293,533.27-117,212.37

Finding the Fourth Proportional to 212,705.70, 293,533.27 and 117,212.37

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Solution

The fourth proportional to 212,705.70, 293,533.27 and 117,212.37 is: 161,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,705.70 : 293,533.27 = 117,212.37 : x
  2. Step 2: Convert to fraction form
    212,705.70/293,533.27 = 117,212.37/x
  3. Step 3: Cross multiply
    212,705.70x = 293,533.27 × 117,212.37
  4. Step 4: Simplify right side
    212,705.70x = 34,405,728,856.77
  5. Step 5: Solve for x
    x = 34,405,728,856.77/212,705.70
  6. Step 6: Final answer
    x = 161,752.74

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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.