Home / 165,458.91-248,188.40-115,636.32

Finding the Fourth Proportional to 165,458.91, 248,188.40 and 115,636.32

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Solution

The fourth proportional to 165,458.91, 248,188.40 and 115,636.32 is: 173,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,458.91 : 248,188.40 = 115,636.32 : x
  2. Step 2: Convert to fraction form
    165,458.91/248,188.40 = 115,636.32/x
  3. Step 3: Cross multiply
    165,458.91x = 248,188.40 × 115,636.32
  4. Step 4: Simplify right side
    165,458.91x = 28,699,592,664.51
  5. Step 5: Solve for x
    x = 28,699,592,664.51/165,458.91
  6. Step 6: Final answer
    x = 173,454.50

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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.