Home / 213,419.08-294,510.42-117,923.80

Finding the Fourth Proportional to 213,419.08, 294,510.42 and 117,923.80

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Solution

The fourth proportional to 213,419.08, 294,510.42 and 117,923.80 is: 162,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,419.08 : 294,510.42 = 117,923.80 : x
  2. Step 2: Convert to fraction form
    213,419.08/294,510.42 = 117,923.80/x
  3. Step 3: Cross multiply
    213,419.08x = 294,510.42 × 117,923.80
  4. Step 4: Simplify right side
    213,419.08x = 34,729,787,866.00
  5. Step 5: Solve for x
    x = 34,729,787,866.00/213,419.08
  6. Step 6: Final answer
    x = 162,730.47

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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.