Home / 111,034.12-153,246.44-107,343.48

Finding the Fourth Proportional to 111,034.12, 153,246.44 and 107,343.48

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Solution

The fourth proportional to 111,034.12, 153,246.44 and 107,343.48 is: 148,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,034.12 : 153,246.44 = 107,343.48 : x
  2. Step 2: Convert to fraction form
    111,034.12/153,246.44 = 107,343.48/x
  3. Step 3: Cross multiply
    111,034.12x = 153,246.44 × 107,343.48
  4. Step 4: Simplify right side
    111,034.12x = 16,450,006,167.21
  5. Step 5: Solve for x
    x = 16,450,006,167.21/111,034.12
  6. Step 6: Final answer
    x = 148,152.71

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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.