Home / 144,528.35-199,449.39-80,002.05

Finding the Fourth Proportional to 144,528.35, 199,449.39 and 80,002.05

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Solution

The fourth proportional to 144,528.35, 199,449.39 and 80,002.05 is: 110,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,528.35 : 199,449.39 = 80,002.05 : x
  2. Step 2: Convert to fraction form
    144,528.35/199,449.39 = 80,002.05/x
  3. Step 3: Cross multiply
    144,528.35x = 199,449.39 × 80,002.05
  4. Step 4: Simplify right side
    144,528.35x = 15,956,360,856.16
  5. Step 5: Solve for x
    x = 15,956,360,856.16/144,528.35
  6. Step 6: Final answer
    x = 110,402.98

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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.