Home / 180,427.44-248,990.34-99,860.52

Finding the Fourth Proportional to 180,427.44, 248,990.34 and 99,860.52

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Solution

The fourth proportional to 180,427.44, 248,990.34 and 99,860.52 is: 137,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,427.44 : 248,990.34 = 99,860.52 : x
  2. Step 2: Convert to fraction form
    180,427.44/248,990.34 = 99,860.52/x
  3. Step 3: Cross multiply
    180,427.44x = 248,990.34 × 99,860.52
  4. Step 4: Simplify right side
    180,427.44x = 24,864,304,827.38
  5. Step 5: Solve for x
    x = 24,864,304,827.38/180,427.44
  6. Step 6: Final answer
    x = 137,807.78

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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.