Home / 154,022.80-231,012.60-48,852.40

Finding the Fourth Proportional to 154,022.80, 231,012.60 and 48,852.40

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Solution

The fourth proportional to 154,022.80, 231,012.60 and 48,852.40 is: 73,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,022.80 : 231,012.60 = 48,852.40 : x
  2. Step 2: Convert to fraction form
    154,022.80/231,012.60 = 48,852.40/x
  3. Step 3: Cross multiply
    154,022.80x = 231,012.60 × 48,852.40
  4. Step 4: Simplify right side
    154,022.80x = 11,285,519,940.24
  5. Step 5: Solve for x
    x = 11,285,519,940.24/154,022.80
  6. Step 6: Final answer
    x = 73,271.75

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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.