Home / 213,112.99-294,094.48-117,619.68

Finding the Fourth Proportional to 213,112.99, 294,094.48 and 117,619.68

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Solution

The fourth proportional to 213,112.99, 294,094.48 and 117,619.68 is: 162,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,112.99 : 294,094.48 = 117,619.68 : x
  2. Step 2: Convert to fraction form
    213,112.99/294,094.48 = 117,619.68/x
  3. Step 3: Cross multiply
    213,112.99x = 294,094.48 × 117,619.68
  4. Step 4: Simplify right side
    213,112.99x = 34,591,299,436.17
  5. Step 5: Solve for x
    x = 34,591,299,436.17/213,112.99
  6. Step 6: Final answer
    x = 162,314.36

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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.