Home / 168,830.88-233,032.68-105,131.04

Finding the Fourth Proportional to 168,830.88, 233,032.68 and 105,131.04

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Solution

The fourth proportional to 168,830.88, 233,032.68 and 105,131.04 is: 145,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,830.88 : 233,032.68 = 105,131.04 : x
  2. Step 2: Convert to fraction form
    168,830.88/233,032.68 = 105,131.04/x
  3. Step 3: Cross multiply
    168,830.88x = 233,032.68 × 105,131.04
  4. Step 4: Simplify right side
    168,830.88x = 24,498,968,002.39
  5. Step 5: Solve for x
    x = 24,498,968,002.39/168,830.88
  6. Step 6: Final answer
    x = 145,109.52

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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.