Home / 125,612.20-188,855.70-106,366.60

Finding the Fourth Proportional to 125,612.20, 188,855.70 and 106,366.60

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Solution

The fourth proportional to 125,612.20, 188,855.70 and 106,366.60 is: 159,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,612.20 : 188,855.70 = 106,366.60 : x
  2. Step 2: Convert to fraction form
    125,612.20/188,855.70 = 106,366.60/x
  3. Step 3: Cross multiply
    125,612.20x = 188,855.70 × 106,366.60
  4. Step 4: Simplify right side
    125,612.20x = 20,087,938,699.62
  5. Step 5: Solve for x
    x = 20,087,938,699.62/125,612.20
  6. Step 6: Final answer
    x = 159,920.28

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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.