Home / 175,455.89-263,156.36-57,126.43

Finding the Fourth Proportional to 175,455.89, 263,156.36 and 57,126.43

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Solution

The fourth proportional to 175,455.89, 263,156.36 and 57,126.43 is: 85,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,455.89 : 263,156.36 = 57,126.43 : x
  2. Step 2: Convert to fraction form
    175,455.89/263,156.36 = 57,126.43/x
  3. Step 3: Cross multiply
    175,455.89x = 263,156.36 × 57,126.43
  4. Step 4: Simplify right side
    175,455.89x = 15,033,183,421.91
  5. Step 5: Solve for x
    x = 15,033,183,421.91/175,455.89
  6. Step 6: Final answer
    x = 85,680.70

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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.