Home / 187,551.52-281,362.80-61,181.20

Finding the Fourth Proportional to 187,551.52, 281,362.80 and 61,181.20

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Solution

The fourth proportional to 187,551.52, 281,362.80 and 61,181.20 is: 91,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,551.52 : 281,362.80 = 61,181.20 : x
  2. Step 2: Convert to fraction form
    187,551.52/281,362.80 = 61,181.20/x
  3. Step 3: Cross multiply
    187,551.52x = 281,362.80 × 61,181.20
  4. Step 4: Simplify right side
    187,551.52x = 17,214,113,739.36
  5. Step 5: Solve for x
    x = 17,214,113,739.36/187,551.52
  6. Step 6: Final answer
    x = 91,783.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.