Home / 213,133.26-294,126.34-117,640.03

Finding the Fourth Proportional to 213,133.26, 294,126.34 and 117,640.03

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Solution

The fourth proportional to 213,133.26, 294,126.34 and 117,640.03 is: 162,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,133.26 : 294,126.34 = 117,640.03 : x
  2. Step 2: Convert to fraction form
    213,133.26/294,126.34 = 117,640.03/x
  3. Step 3: Cross multiply
    213,133.26x = 294,126.34 × 117,640.03
  4. Step 4: Simplify right side
    213,133.26x = 34,601,031,461.39
  5. Step 5: Solve for x
    x = 34,601,031,461.39/213,133.26
  6. Step 6: Final answer
    x = 162,344.59

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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.