Home / 449,420.14-674,132.06-112,459.87

Finding the Fourth Proportional to 449,420.14, 674,132.06 and 112,459.87

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Solution

The fourth proportional to 449,420.14, 674,132.06 and 112,459.87 is: 168,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,420.14 : 674,132.06 = 112,459.87 : x
  2. Step 2: Convert to fraction form
    449,420.14/674,132.06 = 112,459.87/x
  3. Step 3: Cross multiply
    449,420.14x = 674,132.06 × 112,459.87
  4. Step 4: Simplify right side
    449,420.14x = 75,812,803,830.43
  5. Step 5: Solve for x
    x = 75,812,803,830.43/449,420.14
  6. Step 6: Final answer
    x = 168,690.27

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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.