Home / 111,008.35-166,514.10-36,128.89

Finding the Fourth Proportional to 111,008.35, 166,514.10 and 36,128.89

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Solution

The fourth proportional to 111,008.35, 166,514.10 and 36,128.89 is: 54,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,008.35 : 166,514.10 = 36,128.89 : x
  2. Step 2: Convert to fraction form
    111,008.35/166,514.10 = 36,128.89/x
  3. Step 3: Cross multiply
    111,008.35x = 166,514.10 × 36,128.89
  4. Step 4: Simplify right side
    111,008.35x = 6,015,969,602.35
  5. Step 5: Solve for x
    x = 6,015,969,602.35/111,008.35
  6. Step 6: Final answer
    x = 54,193.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.