Home / 180,091.52-248,519.61-99,517.37

Finding the Fourth Proportional to 180,091.52, 248,519.61 and 99,517.37

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Solution

The fourth proportional to 180,091.52, 248,519.61 and 99,517.37 is: 137,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,091.52 : 248,519.61 = 99,517.37 : x
  2. Step 2: Convert to fraction form
    180,091.52/248,519.61 = 99,517.37/x
  3. Step 3: Cross multiply
    180,091.52x = 248,519.61 × 99,517.37
  4. Step 4: Simplify right side
    180,091.52x = 24,732,017,980.63
  5. Step 5: Solve for x
    x = 24,732,017,980.63/180,091.52
  6. Step 6: Final answer
    x = 137,330.28

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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.