Home / 144,543.20-199,464.60-80,015.24

Finding the Fourth Proportional to 144,543.20, 199,464.60 and 80,015.24

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Solution

The fourth proportional to 144,543.20, 199,464.60 and 80,015.24 is: 110,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,543.20 : 199,464.60 = 80,015.24 : x
  2. Step 2: Convert to fraction form
    144,543.20/199,464.60 = 80,015.24/x
  3. Step 3: Cross multiply
    144,543.20x = 199,464.60 × 80,015.24
  4. Step 4: Simplify right side
    144,543.20x = 15,960,207,840.50
  5. Step 5: Solve for x
    x = 15,960,207,840.50/144,543.20
  6. Step 6: Final answer
    x = 110,418.25

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1.5x scale

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.