Home / 144,430.22-199,309.48-79,902.05

Finding the Fourth Proportional to 144,430.22, 199,309.48 and 79,902.05

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Solution

The fourth proportional to 144,430.22, 199,309.48 and 79,902.05 is: 110,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,430.22 : 199,309.48 = 79,902.05 : x
  2. Step 2: Convert to fraction form
    144,430.22/199,309.48 = 79,902.05/x
  3. Step 3: Cross multiply
    144,430.22x = 199,309.48 × 79,902.05
  4. Step 4: Simplify right side
    144,430.22x = 15,925,234,840.13
  5. Step 5: Solve for x
    x = 15,925,234,840.13/144,430.22
  6. Step 6: Final answer
    x = 110,262.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.