Home / 198,271.36-273,518.40-131,259.52

Finding the Fourth Proportional to 198,271.36, 273,518.40 and 131,259.52

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Solution

The fourth proportional to 198,271.36, 273,518.40 and 131,259.52 is: 181,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,271.36 : 273,518.40 = 131,259.52 : x
  2. Step 2: Convert to fraction form
    198,271.36/273,518.40 = 131,259.52/x
  3. Step 3: Cross multiply
    198,271.36x = 273,518.40 × 131,259.52
  4. Step 4: Simplify right side
    198,271.36x = 35,901,893,895.17
  5. Step 5: Solve for x
    x = 35,901,893,895.17/198,271.36
  6. Step 6: Final answer
    x = 181,074.53

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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.