Home / 213,128.39-294,096.23-117,628.93

Finding the Fourth Proportional to 213,128.39, 294,096.23 and 117,628.93

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Solution

The fourth proportional to 213,128.39, 294,096.23 and 117,628.93 is: 162,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,128.39 : 294,096.23 = 117,628.93 : x
  2. Step 2: Convert to fraction form
    213,128.39/294,096.23 = 117,628.93/x
  3. Step 3: Cross multiply
    213,128.39x = 294,096.23 × 117,628.93
  4. Step 4: Simplify right side
    213,128.39x = 34,594,225,072.52
  5. Step 5: Solve for x
    x = 34,594,225,072.52/213,128.39
  6. Step 6: Final answer
    x = 162,316.36

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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.