Home / 154,022.21-230,711.33-123,873.50

Finding the Fourth Proportional to 154,022.21, 230,711.33 and 123,873.50

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Solution

The fourth proportional to 154,022.21, 230,711.33 and 123,873.50 is: 185,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,022.21 : 230,711.33 = 123,873.50 : x
  2. Step 2: Convert to fraction form
    154,022.21/230,711.33 = 123,873.50/x
  3. Step 3: Cross multiply
    154,022.21x = 230,711.33 × 123,873.50
  4. Step 4: Simplify right side
    154,022.21x = 28,579,019,936.76
  5. Step 5: Solve for x
    x = 28,579,019,936.76/154,022.21
  6. Step 6: Final answer
    x = 185,551.29

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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.