Home / 144,337.32-199,185.44-80,675.12

Finding the Fourth Proportional to 144,337.32, 199,185.44 and 80,675.12

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Solution

The fourth proportional to 144,337.32, 199,185.44 and 80,675.12 is: 111,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,337.32 : 199,185.44 = 80,675.12 : x
  2. Step 2: Convert to fraction form
    144,337.32/199,185.44 = 80,675.12/x
  3. Step 3: Cross multiply
    144,337.32x = 199,185.44 × 80,675.12
  4. Step 4: Simplify right side
    144,337.32x = 16,069,309,368.84
  5. Step 5: Solve for x
    x = 16,069,309,368.84/144,337.32
  6. Step 6: Final answer
    x = 111,331.63

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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.