Home / 190,972.61-263,565.12-114,533.76

Finding the Fourth Proportional to 190,972.61, 263,565.12 and 114,533.76

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Solution

The fourth proportional to 190,972.61, 263,565.12 and 114,533.76 is: 158,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,972.61 : 263,565.12 = 114,533.76 : x
  2. Step 2: Convert to fraction form
    190,972.61/263,565.12 = 114,533.76/x
  3. Step 3: Cross multiply
    190,972.61x = 263,565.12 × 114,533.76
  4. Step 4: Simplify right side
    190,972.61x = 30,187,104,198.45
  5. Step 5: Solve for x
    x = 30,187,104,198.45/190,972.61
  6. Step 6: Final answer
    x = 158,070.34

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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.