Home / 171,475.12-236,697.72-139,588.66

Finding the Fourth Proportional to 171,475.12, 236,697.72 and 139,588.66

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Solution

The fourth proportional to 171,475.12, 236,697.72 and 139,588.66 is: 192,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,475.12 : 236,697.72 = 139,588.66 : x
  2. Step 2: Convert to fraction form
    171,475.12/236,697.72 = 139,588.66/x
  3. Step 3: Cross multiply
    171,475.12x = 236,697.72 × 139,588.66
  4. Step 4: Simplify right side
    171,475.12x = 33,040,317,559.86
  5. Step 5: Solve for x
    x = 33,040,317,559.86/171,475.12
  6. Step 6: Final answer
    x = 192,682.87

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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.