Home / 107,804.23-147,692.33-103,763.90

Finding the Fourth Proportional to 107,804.23, 147,692.33 and 103,763.90

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Solution

The fourth proportional to 107,804.23, 147,692.33 and 103,763.90 is: 142,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,804.23 : 147,692.33 = 103,763.90 : x
  2. Step 2: Convert to fraction form
    107,804.23/147,692.33 = 103,763.90/x
  3. Step 3: Cross multiply
    107,804.23x = 147,692.33 × 103,763.90
  4. Step 4: Simplify right side
    107,804.23x = 15,325,132,160.89
  5. Step 5: Solve for x
    x = 15,325,132,160.89/107,804.23
  6. Step 6: Final answer
    x = 142,157.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.