Home / 168,966.41-233,157.69-100,969.84

Finding the Fourth Proportional to 168,966.41, 233,157.69 and 100,969.84

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Solution

The fourth proportional to 168,966.41, 233,157.69 and 100,969.84 is: 139,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,966.41 : 233,157.69 = 100,969.84 : x
  2. Step 2: Convert to fraction form
    168,966.41/233,157.69 = 100,969.84/x
  3. Step 3: Cross multiply
    168,966.41x = 233,157.69 × 100,969.84
  4. Step 4: Simplify right side
    168,966.41x = 23,541,894,945.52
  5. Step 5: Solve for x
    x = 23,541,894,945.52/168,966.41
  6. Step 6: Final answer
    x = 139,328.85

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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.