Home / 125,922.40-188,883.60-123,735.40

Finding the Fourth Proportional to 125,922.40, 188,883.60 and 123,735.40

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Solution

The fourth proportional to 125,922.40, 188,883.60 and 123,735.40 is: 185,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,922.40 : 188,883.60 = 123,735.40 : x
  2. Step 2: Convert to fraction form
    125,922.40/188,883.60 = 123,735.40/x
  3. Step 3: Cross multiply
    125,922.40x = 188,883.60 × 123,735.40
  4. Step 4: Simplify right side
    125,922.40x = 23,371,587,799.44
  5. Step 5: Solve for x
    x = 23,371,587,799.44/125,922.40
  6. Step 6: Final answer
    x = 185,603.10

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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.