Home / 168,427.12-232,429.20-92,975.44

Finding the Fourth Proportional to 168,427.12, 232,429.20 and 92,975.44

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Solution

The fourth proportional to 168,427.12, 232,429.20 and 92,975.44 is: 128,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,427.12 : 232,429.20 = 92,975.44 : x
  2. Step 2: Convert to fraction form
    168,427.12/232,429.20 = 92,975.44/x
  3. Step 3: Cross multiply
    168,427.12x = 232,429.20 × 92,975.44
  4. Step 4: Simplify right side
    168,427.12x = 21,610,207,138.85
  5. Step 5: Solve for x
    x = 21,610,207,138.85/168,427.12
  6. Step 6: Final answer
    x = 128,305.98

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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.