Home / 198,137.19-273,429.29-113,256.08

Finding the Fourth Proportional to 198,137.19, 273,429.29 and 113,256.08

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Solution

The fourth proportional to 198,137.19, 273,429.29 and 113,256.08 is: 156,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,137.19 : 273,429.29 = 113,256.08 : x
  2. Step 2: Convert to fraction form
    198,137.19/273,429.29 = 113,256.08/x
  3. Step 3: Cross multiply
    198,137.19x = 273,429.29 × 113,256.08
  4. Step 4: Simplify right side
    198,137.19x = 30,967,528,458.58
  5. Step 5: Solve for x
    x = 30,967,528,458.58/198,137.19
  6. Step 6: Final answer
    x = 156,293.37

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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.