Home / 165,490.22-248,235.44-115,667.60

Finding the Fourth Proportional to 165,490.22, 248,235.44 and 115,667.60

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Solution

The fourth proportional to 165,490.22, 248,235.44 and 115,667.60 is: 173,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,490.22 : 248,235.44 = 115,667.60 : x
  2. Step 2: Convert to fraction form
    165,490.22/248,235.44 = 115,667.60/x
  3. Step 3: Cross multiply
    165,490.22x = 248,235.44 × 115,667.60
  4. Step 4: Simplify right side
    165,490.22x = 28,712,795,760.23
  5. Step 5: Solve for x
    x = 28,712,795,760.23/165,490.22
  6. Step 6: Final answer
    x = 173,501.46

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1.5x scale

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.