Home / 213,129.05-294,097.14-117,629.60

Finding the Fourth Proportional to 213,129.05, 294,097.14 and 117,629.60

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Solution

The fourth proportional to 213,129.05, 294,097.14 and 117,629.60 is: 162,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,129.05 : 294,097.14 = 117,629.60 : x
  2. Step 2: Convert to fraction form
    213,129.05/294,097.14 = 117,629.60/x
  3. Step 3: Cross multiply
    213,129.05x = 294,097.14 × 117,629.60
  4. Step 4: Simplify right side
    213,129.05x = 34,594,527,468.86
  5. Step 5: Solve for x
    x = 34,594,527,468.86/213,129.05
  6. Step 6: Final answer
    x = 162,317.28

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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.