Home / 216,637.77-298,968.27-121,144.23

Finding the Fourth Proportional to 216,637.77, 298,968.27 and 121,144.23

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Solution

The fourth proportional to 216,637.77, 298,968.27 and 121,144.23 is: 167,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,637.77 : 298,968.27 = 121,144.23 : x
  2. Step 2: Convert to fraction form
    216,637.77/298,968.27 = 121,144.23/x
  3. Step 3: Cross multiply
    216,637.77x = 298,968.27 × 121,144.23
  4. Step 4: Simplify right side
    216,637.77x = 36,218,280,863.58
  5. Step 5: Solve for x
    x = 36,218,280,863.58/216,637.77
  6. Step 6: Final answer
    x = 167,183.59

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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.