Home / 212,917.75-293,826.35-117,424.49

Finding the Fourth Proportional to 212,917.75, 293,826.35 and 117,424.49

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Solution

The fourth proportional to 212,917.75, 293,826.35 and 117,424.49 is: 162,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,917.75 : 293,826.35 = 117,424.49 : x
  2. Step 2: Convert to fraction form
    212,917.75/293,826.35 = 117,424.49/x
  3. Step 3: Cross multiply
    212,917.75x = 293,826.35 × 117,424.49
  4. Step 4: Simplify right side
    212,917.75x = 34,502,408,121.74
  5. Step 5: Solve for x
    x = 34,502,408,121.74/212,917.75
  6. Step 6: Final answer
    x = 162,045.71

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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.