Home / 183,442.40-275,003.60-71,199.20

Finding the Fourth Proportional to 183,442.40, 275,003.60 and 71,199.20

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Solution

The fourth proportional to 183,442.40, 275,003.60 and 71,199.20 is: 106,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,442.40 : 275,003.60 = 71,199.20 : x
  2. Step 2: Convert to fraction form
    183,442.40/275,003.60 = 71,199.20/x
  3. Step 3: Cross multiply
    183,442.40x = 275,003.60 × 71,199.20
  4. Step 4: Simplify right side
    183,442.40x = 19,580,036,317.12
  5. Step 5: Solve for x
    x = 19,580,036,317.12/183,442.40
  6. Step 6: Final answer
    x = 106,736.70

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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.