Home / 233,112.72-321,696.78-137,666.46

Finding the Fourth Proportional to 233,112.72, 321,696.78 and 137,666.46

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Solution

The fourth proportional to 233,112.72, 321,696.78 and 137,666.46 is: 189,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,112.72 : 321,696.78 = 137,666.46 : x
  2. Step 2: Convert to fraction form
    233,112.72/321,696.78 = 137,666.46/x
  3. Step 3: Cross multiply
    233,112.72x = 321,696.78 × 137,666.46
  4. Step 4: Simplify right side
    233,112.72x = 44,286,856,896.00
  5. Step 5: Solve for x
    x = 44,286,856,896.00/233,112.72
  6. Step 6: Final answer
    x = 189,980.44

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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.