Home / 111,391.22-167,096.65-31,429.89

Finding the Fourth Proportional to 111,391.22, 167,096.65 and 31,429.89

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Solution

The fourth proportional to 111,391.22, 167,096.65 and 31,429.89 is: 47,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,391.22 : 167,096.65 = 31,429.89 : x
  2. Step 2: Convert to fraction form
    111,391.22/167,096.65 = 31,429.89/x
  3. Step 3: Cross multiply
    111,391.22x = 167,096.65 × 31,429.89
  4. Step 4: Simplify right side
    111,391.22x = 5,251,828,714.78
  5. Step 5: Solve for x
    x = 5,251,828,714.78/111,391.22
  6. Step 6: Final answer
    x = 47,147.60

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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.