Home / 202,014.40-303,021.60-96,779.20

Finding the Fourth Proportional to 202,014.40, 303,021.60 and 96,779.20

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Solution

The fourth proportional to 202,014.40, 303,021.60 and 96,779.20 is: 145,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,014.40 : 303,021.60 = 96,779.20 : x
  2. Step 2: Convert to fraction form
    202,014.40/303,021.60 = 96,779.20/x
  3. Step 3: Cross multiply
    202,014.40x = 303,021.60 × 96,779.20
  4. Step 4: Simplify right side
    202,014.40x = 29,326,188,030.72
  5. Step 5: Solve for x
    x = 29,326,188,030.72/202,014.40
  6. Step 6: Final answer
    x = 145,168.80

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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.