Home / 621,102.29-931,671.77-171,826.88

Finding the Fourth Proportional to 621,102.29, 931,671.77 and 171,826.88

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Solution

The fourth proportional to 621,102.29, 931,671.77 and 171,826.88 is: 257,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,102.29 : 931,671.77 = 171,826.88 : x
  2. Step 2: Convert to fraction form
    621,102.29/931,671.77 = 171,826.88/x
  3. Step 3: Cross multiply
    621,102.29x = 931,671.77 × 171,826.88
  4. Step 4: Simplify right side
    621,102.29x = 160,086,253,423.18
  5. Step 5: Solve for x
    x = 160,086,253,423.18/621,102.29
  6. Step 6: Final answer
    x = 257,745.39

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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.