Home / 190,314.20-262,661.56-109,725.96

Finding the Fourth Proportional to 190,314.20, 262,661.56 and 109,725.96

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Solution

The fourth proportional to 190,314.20, 262,661.56 and 109,725.96 is: 151,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,314.20 : 262,661.56 = 109,725.96 : x
  2. Step 2: Convert to fraction form
    190,314.20/262,661.56 = 109,725.96/x
  3. Step 3: Cross multiply
    190,314.20x = 262,661.56 × 109,725.96
  4. Step 4: Simplify right side
    190,314.20x = 28,820,791,826.10
  5. Step 5: Solve for x
    x = 28,820,791,826.10/190,314.20
  6. Step 6: Final answer
    x = 151,437.95

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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.