Home / 213,144.74-294,139.77-117,651.46

Finding the Fourth Proportional to 213,144.74, 294,139.77 and 117,651.46

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Solution

The fourth proportional to 213,144.74, 294,139.77 and 117,651.46 is: 162,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,144.74 : 294,139.77 = 117,651.46 : x
  2. Step 2: Convert to fraction form
    213,144.74/294,139.77 = 117,651.46/x
  3. Step 3: Cross multiply
    213,144.74x = 294,139.77 × 117,651.46
  4. Step 4: Simplify right side
    213,144.74x = 34,605,971,913.87
  5. Step 5: Solve for x
    x = 34,605,971,913.87/213,144.74
  6. Step 6: Final answer
    x = 162,359.02

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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.