Home / 197,979.02-273,139.45-130,032.81

Finding the Fourth Proportional to 197,979.02, 273,139.45 and 130,032.81

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Solution

The fourth proportional to 197,979.02, 273,139.45 and 130,032.81 is: 179,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,979.02 : 273,139.45 = 130,032.81 : x
  2. Step 2: Convert to fraction form
    197,979.02/273,139.45 = 130,032.81/x
  3. Step 3: Cross multiply
    197,979.02x = 273,139.45 × 130,032.81
  4. Step 4: Simplify right side
    197,979.02x = 35,517,090,205.35
  5. Step 5: Solve for x
    x = 35,517,090,205.35/197,979.02
  6. Step 6: Final answer
    x = 179,398.25

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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.