Home / 125,965.20-188,876.67-47,047.30

Finding the Fourth Proportional to 125,965.20, 188,876.67 and 47,047.30

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Solution

The fourth proportional to 125,965.20, 188,876.67 and 47,047.30 is: 70,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,965.20 : 188,876.67 = 47,047.30 : x
  2. Step 2: Convert to fraction form
    125,965.20/188,876.67 = 47,047.30/x
  3. Step 3: Cross multiply
    125,965.20x = 188,876.67 × 47,047.30
  4. Step 4: Simplify right side
    125,965.20x = 8,886,137,356.49
  5. Step 5: Solve for x
    x = 8,886,137,356.49/125,965.20
  6. Step 6: Final answer
    x = 70,544.38

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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.