Home / 154,904.38-213,597.28-107,074.69

Finding the Fourth Proportional to 154,904.38, 213,597.28 and 107,074.69

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Solution

The fourth proportional to 154,904.38, 213,597.28 and 107,074.69 is: 147,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,904.38 : 213,597.28 = 107,074.69 : x
  2. Step 2: Convert to fraction form
    154,904.38/213,597.28 = 107,074.69/x
  3. Step 3: Cross multiply
    154,904.38x = 213,597.28 × 107,074.69
  4. Step 4: Simplify right side
    154,904.38x = 22,870,862,540.84
  5. Step 5: Solve for x
    x = 22,870,862,540.84/154,904.38
  6. Step 6: Final answer
    x = 147,645.03

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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.