Home / 449,981.07-674,971.65-180,231.72

Finding the Fourth Proportional to 449,981.07, 674,971.65 and 180,231.72

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Solution

The fourth proportional to 449,981.07, 674,971.65 and 180,231.72 is: 270,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,981.07 : 674,971.65 = 180,231.72 : x
  2. Step 2: Convert to fraction form
    449,981.07/674,971.65 = 180,231.72/x
  3. Step 3: Cross multiply
    449,981.07x = 674,971.65 × 180,231.72
  4. Step 4: Simplify right side
    449,981.07x = 121,651,297,154.72
  5. Step 5: Solve for x
    x = 121,651,297,154.72/449,981.07
  6. Step 6: Final answer
    x = 270,347.59

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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.