Home / 144,515.52-199,434.96-80,857.44

Finding the Fourth Proportional to 144,515.52, 199,434.96 and 80,857.44

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Solution

The fourth proportional to 144,515.52, 199,434.96 and 80,857.44 is: 111,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,515.52 : 199,434.96 = 80,857.44 : x
  2. Step 2: Convert to fraction form
    144,515.52/199,434.96 = 80,857.44/x
  3. Step 3: Cross multiply
    144,515.52x = 199,434.96 × 80,857.44
  4. Step 4: Simplify right side
    144,515.52x = 16,125,800,312.10
  5. Step 5: Solve for x
    x = 16,125,800,312.10/144,515.52
  6. Step 6: Final answer
    x = 111,585.25

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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.