Home / 144,883.08-217,280.38-100,191.72

Finding the Fourth Proportional to 144,883.08, 217,280.38 and 100,191.72

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Solution

The fourth proportional to 144,883.08, 217,280.38 and 100,191.72 is: 150,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,883.08 : 217,280.38 = 100,191.72 : x
  2. Step 2: Convert to fraction form
    144,883.08/217,280.38 = 100,191.72/x
  3. Step 3: Cross multiply
    144,883.08x = 217,280.38 × 100,191.72
  4. Step 4: Simplify right side
    144,883.08x = 21,769,694,994.45
  5. Step 5: Solve for x
    x = 21,769,694,994.45/144,883.08
  6. Step 6: Final answer
    x = 150,256.99

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1.5x scale

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.