Home / 497,107.20-745,466.40-181,401.60

Finding the Fourth Proportional to 497,107.20, 745,466.40 and 181,401.60

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Solution

The fourth proportional to 497,107.20, 745,466.40 and 181,401.60 is: 272,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,107.20 : 745,466.40 = 181,401.60 : x
  2. Step 2: Convert to fraction form
    497,107.20/745,466.40 = 181,401.60/x
  3. Step 3: Cross multiply
    497,107.20x = 745,466.40 × 181,401.60
  4. Step 4: Simplify right side
    497,107.20x = 135,228,797,706.24
  5. Step 5: Solve for x
    x = 135,228,797,706.24/497,107.20
  6. Step 6: Final answer
    x = 272,031.46

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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.