Home / 190,359.20-262,695.44-105,481.76

Finding the Fourth Proportional to 190,359.20, 262,695.44 and 105,481.76

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Solution

The fourth proportional to 190,359.20, 262,695.44 and 105,481.76 is: 145,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,359.20 : 262,695.44 = 105,481.76 : x
  2. Step 2: Convert to fraction form
    190,359.20/262,695.44 = 105,481.76/x
  3. Step 3: Cross multiply
    190,359.20x = 262,695.44 × 105,481.76
  4. Step 4: Simplify right side
    190,359.20x = 27,709,577,355.17
  5. Step 5: Solve for x
    x = 27,709,577,355.17/190,359.20
  6. Step 6: Final answer
    x = 145,564.69

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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.