Home / 233,036.60-321,576.78-129,668.04

Finding the Fourth Proportional to 233,036.60, 321,576.78 and 129,668.04

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Solution

The fourth proportional to 233,036.60, 321,576.78 and 129,668.04 is: 178,934.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,036.60 : 321,576.78 = 129,668.04 : x
  2. Step 2: Convert to fraction form
    233,036.60/321,576.78 = 129,668.04/x
  3. Step 3: Cross multiply
    233,036.60x = 321,576.78 × 129,668.04
  4. Step 4: Simplify right side
    233,036.60x = 41,698,231,258.37
  5. Step 5: Solve for x
    x = 41,698,231,258.37/233,036.60
  6. Step 6: Final answer
    x = 178,934.26

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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.