Home / 548,048.12-822,072.58-148,688.86

Finding the Fourth Proportional to 548,048.12, 822,072.58 and 148,688.86

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Solution

The fourth proportional to 548,048.12, 822,072.58 and 148,688.86 is: 223,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,048.12 : 822,072.58 = 148,688.86 : x
  2. Step 2: Convert to fraction form
    548,048.12/822,072.58 = 148,688.86/x
  3. Step 3: Cross multiply
    548,048.12x = 822,072.58 × 148,688.86
  4. Step 4: Simplify right side
    548,048.12x = 122,233,033,871.94
  5. Step 5: Solve for x
    x = 122,233,033,871.94/548,048.12
  6. Step 6: Final answer
    x = 223,033.40

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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.