Home / 165,848.10-248,868.53-69,778.26

Finding the Fourth Proportional to 165,848.10, 248,868.53 and 69,778.26

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Solution

The fourth proportional to 165,848.10, 248,868.53 and 69,778.26 is: 104,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,848.10 : 248,868.53 = 69,778.26 : x
  2. Step 2: Convert to fraction form
    165,848.10/248,868.53 = 69,778.26/x
  3. Step 3: Cross multiply
    165,848.10x = 248,868.53 × 69,778.26
  4. Step 4: Simplify right side
    165,848.10x = 17,365,612,992.16
  5. Step 5: Solve for x
    x = 17,365,612,992.16/165,848.10
  6. Step 6: Final answer
    x = 104,707.94

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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.