Home / 171,438.85-236,613.65-102,523.81

Finding the Fourth Proportional to 171,438.85, 236,613.65 and 102,523.81

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Solution

The fourth proportional to 171,438.85, 236,613.65 and 102,523.81 is: 141,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,438.85 : 236,613.65 = 102,523.81 : x
  2. Step 2: Convert to fraction form
    171,438.85/236,613.65 = 102,523.81/x
  3. Step 3: Cross multiply
    171,438.85x = 236,613.65 × 102,523.81
  4. Step 4: Simplify right side
    171,438.85x = 24,258,532,383.39
  5. Step 5: Solve for x
    x = 24,258,532,383.39/171,438.85
  6. Step 6: Final answer
    x = 141,499.62

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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.