Home / 190,092.85-262,340.31-109,518.91

Finding the Fourth Proportional to 190,092.85, 262,340.31 and 109,518.91

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Solution

The fourth proportional to 190,092.85, 262,340.31 and 109,518.91 is: 151,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,092.85 : 262,340.31 = 109,518.91 : x
  2. Step 2: Convert to fraction form
    190,092.85/262,340.31 = 109,518.91/x
  3. Step 3: Cross multiply
    190,092.85x = 262,340.31 × 109,518.91
  4. Step 4: Simplify right side
    190,092.85x = 28,731,224,800.26
  5. Step 5: Solve for x
    x = 28,731,224,800.26/190,092.85
  6. Step 6: Final answer
    x = 151,143.11

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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.