Home / 113,137.47-169,447.82-54,014.85

Finding the Fourth Proportional to 113,137.47, 169,447.82 and 54,014.85

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Solution

The fourth proportional to 113,137.47, 169,447.82 and 54,014.85 is: 80,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,137.47 : 169,447.82 = 54,014.85 : x
  2. Step 2: Convert to fraction form
    113,137.47/169,447.82 = 54,014.85/x
  3. Step 3: Cross multiply
    113,137.47x = 169,447.82 × 54,014.85
  4. Step 4: Simplify right side
    113,137.47x = 9,152,698,310.05
  5. Step 5: Solve for x
    x = 9,152,698,310.05/113,137.47
  6. Step 6: Final answer
    x = 80,898.91

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1.5x scale

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.