Home / 165,946.16-248,685.96-72,255.44

Finding the Fourth Proportional to 165,946.16, 248,685.96 and 72,255.44

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Solution

The fourth proportional to 165,946.16, 248,685.96 and 72,255.44 is: 108,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,946.16 : 248,685.96 = 72,255.44 : x
  2. Step 2: Convert to fraction form
    165,946.16/248,685.96 = 72,255.44/x
  3. Step 3: Cross multiply
    165,946.16x = 248,685.96 × 72,255.44
  4. Step 4: Simplify right side
    165,946.16x = 17,968,913,461.62
  5. Step 5: Solve for x
    x = 17,968,913,461.62/165,946.16
  6. Step 6: Final answer
    x = 108,281.59

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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.