Home / 190,384.20-285,576.30-181,636.20

Finding the Fourth Proportional to 190,384.20, 285,576.30 and 181,636.20

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Solution

The fourth proportional to 190,384.20, 285,576.30 and 181,636.20 is: 272,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,384.20 : 285,576.30 = 181,636.20 : x
  2. Step 2: Convert to fraction form
    190,384.20/285,576.30 = 181,636.20/x
  3. Step 3: Cross multiply
    190,384.20x = 285,576.30 × 181,636.20
  4. Step 4: Simplify right side
    190,384.20x = 51,870,993,942.06
  5. Step 5: Solve for x
    x = 51,870,993,942.06/190,384.20
  6. Step 6: Final answer
    x = 272,454.30

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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.