Home / 168,069.78-231,925.38-92,618.28

Finding the Fourth Proportional to 168,069.78, 231,925.38 and 92,618.28

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Solution

The fourth proportional to 168,069.78, 231,925.38 and 92,618.28 is: 127,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,069.78 : 231,925.38 = 92,618.28 : x
  2. Step 2: Convert to fraction form
    168,069.78/231,925.38 = 92,618.28/x
  3. Step 3: Cross multiply
    168,069.78x = 231,925.38 × 92,618.28
  4. Step 4: Simplify right side
    168,069.78x = 21,480,529,783.95
  5. Step 5: Solve for x
    x = 21,480,529,783.95/168,069.78
  6. Step 6: Final answer
    x = 127,807.21

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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.