Home / 168,968.48-233,136.88-115,365.12

Finding the Fourth Proportional to 168,968.48, 233,136.88 and 115,365.12

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Solution

The fourth proportional to 168,968.48, 233,136.88 and 115,365.12 is: 159,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,968.48 : 233,136.88 = 115,365.12 : x
  2. Step 2: Convert to fraction form
    168,968.48/233,136.88 = 115,365.12/x
  3. Step 3: Cross multiply
    168,968.48x = 233,136.88 × 115,365.12
  4. Step 4: Simplify right side
    168,968.48x = 26,895,864,137.63
  5. Step 5: Solve for x
    x = 26,895,864,137.63/168,968.48
  6. Step 6: Final answer
    x = 159,176.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.