Home / 212,611.36-293,390.44-117,112.72

Finding the Fourth Proportional to 212,611.36, 293,390.44 and 117,112.72

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Solution

The fourth proportional to 212,611.36, 293,390.44 and 117,112.72 is: 161,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,611.36 : 293,390.44 = 117,112.72 : x
  2. Step 2: Convert to fraction form
    212,611.36/293,390.44 = 117,112.72/x
  3. Step 3: Cross multiply
    212,611.36x = 293,390.44 × 117,112.72
  4. Step 4: Simplify right side
    212,611.36x = 34,359,752,450.40
  5. Step 5: Solve for x
    x = 34,359,752,450.40/212,611.36
  6. Step 6: Final answer
    x = 161,608.26

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1.5x scale

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.