Home / 213,436.35-294,542.27-117,943.05

Finding the Fourth Proportional to 213,436.35, 294,542.27 and 117,943.05

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Solution

The fourth proportional to 213,436.35, 294,542.27 and 117,943.05 is: 162,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,436.35 : 294,542.27 = 117,943.05 : x
  2. Step 2: Convert to fraction form
    213,436.35/294,542.27 = 117,943.05/x
  3. Step 3: Cross multiply
    213,436.35x = 294,542.27 × 117,943.05
  4. Step 4: Simplify right side
    213,436.35x = 34,739,212,941.37
  5. Step 5: Solve for x
    x = 34,739,212,941.37/213,436.35
  6. Step 6: Final answer
    x = 162,761.46

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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.