Home / 190,175.25-262,445.85-104,137.86

Finding the Fourth Proportional to 190,175.25, 262,445.85 and 104,137.86

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Solution

The fourth proportional to 190,175.25, 262,445.85 and 104,137.86 is: 143,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,175.25 : 262,445.85 = 104,137.86 : x
  2. Step 2: Convert to fraction form
    190,175.25/262,445.85 = 104,137.86/x
  3. Step 3: Cross multiply
    190,175.25x = 262,445.85 × 104,137.86
  4. Step 4: Simplify right side
    190,175.25x = 27,330,549,184.88
  5. Step 5: Solve for x
    x = 27,330,549,184.88/190,175.25
  6. Step 6: Final answer
    x = 143,712.44

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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.