Home / 171,216.45-236,333.57-120,241.53

Finding the Fourth Proportional to 171,216.45, 236,333.57 and 120,241.53

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Solution

The fourth proportional to 171,216.45, 236,333.57 and 120,241.53 is: 165,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,216.45 : 236,333.57 = 120,241.53 : x
  2. Step 2: Convert to fraction form
    171,216.45/236,333.57 = 120,241.53/x
  3. Step 3: Cross multiply
    171,216.45x = 236,333.57 × 120,241.53
  4. Step 4: Simplify right side
    171,216.45x = 28,417,109,445.95
  5. Step 5: Solve for x
    x = 28,417,109,445.95/171,216.45
  6. Step 6: Final answer
    x = 165,971.84

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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.