Home / 125,641.40-188,485.18-41,406.52

Finding the Fourth Proportional to 125,641.40, 188,485.18 and 41,406.52

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Solution

The fourth proportional to 125,641.40, 188,485.18 and 41,406.52 is: 62,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,641.40 : 188,485.18 = 41,406.52 : x
  2. Step 2: Convert to fraction form
    125,641.40/188,485.18 = 41,406.52/x
  3. Step 3: Cross multiply
    125,641.40x = 188,485.18 × 41,406.52
  4. Step 4: Simplify right side
    125,641.40x = 7,804,515,375.37
  5. Step 5: Solve for x
    x = 7,804,515,375.37/125,641.40
  6. Step 6: Final answer
    x = 62,117.39

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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.