Home / 106,000.26-158,998.12-31,118.74

Finding the Fourth Proportional to 106,000.26, 158,998.12 and 31,118.74

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Solution

The fourth proportional to 106,000.26, 158,998.12 and 31,118.74 is: 46,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,000.26 : 158,998.12 = 31,118.74 : x
  2. Step 2: Convert to fraction form
    106,000.26/158,998.12 = 31,118.74/x
  3. Step 3: Cross multiply
    106,000.26x = 158,998.12 × 31,118.74
  4. Step 4: Simplify right side
    106,000.26x = 4,947,821,156.77
  5. Step 5: Solve for x
    x = 4,947,821,156.77/106,000.26
  6. Step 6: Final answer
    x = 46,677.44

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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.