Home / 548,014.20-822,021.30-154,030.20

Finding the Fourth Proportional to 548,014.20, 822,021.30 and 154,030.20

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Solution

The fourth proportional to 548,014.20, 822,021.30 and 154,030.20 is: 231,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,014.20 : 822,021.30 = 154,030.20 : x
  2. Step 2: Convert to fraction form
    548,014.20/822,021.30 = 154,030.20/x
  3. Step 3: Cross multiply
    548,014.20x = 822,021.30 × 154,030.20
  4. Step 4: Simplify right side
    548,014.20x = 126,616,105,243.26
  5. Step 5: Solve for x
    x = 126,616,105,243.26/548,014.20
  6. Step 6: Final answer
    x = 231,045.30

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Similar ratio
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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.