Home / 190,577.52-262,992.96-105,692.76

Finding the Fourth Proportional to 190,577.52, 262,992.96 and 105,692.76

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Solution

The fourth proportional to 190,577.52, 262,992.96 and 105,692.76 is: 145,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,577.52 : 262,992.96 = 105,692.76 : x
  2. Step 2: Convert to fraction form
    190,577.52/262,992.96 = 105,692.76/x
  3. Step 3: Cross multiply
    190,577.52x = 262,992.96 × 105,692.76
  4. Step 4: Simplify right side
    190,577.52x = 27,796,451,802.97
  5. Step 5: Solve for x
    x = 27,796,451,802.97/190,577.52
  6. Step 6: Final answer
    x = 145,853.78

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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.