Home / 154,453.58-230,741.12-99,974.48

Finding the Fourth Proportional to 154,453.58, 230,741.12 and 99,974.48

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Solution

The fourth proportional to 154,453.58, 230,741.12 and 99,974.48 is: 149,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,453.58 : 230,741.12 = 99,974.48 : x
  2. Step 2: Convert to fraction form
    154,453.58/230,741.12 = 99,974.48/x
  3. Step 3: Cross multiply
    154,453.58x = 230,741.12 × 99,974.48
  4. Step 4: Simplify right side
    154,453.58x = 23,068,222,368.92
  5. Step 5: Solve for x
    x = 23,068,222,368.92/154,453.58
  6. Step 6: Final answer
    x = 149,353.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.