Home / 190,186.62-262,472.31-105,311.58

Finding the Fourth Proportional to 190,186.62, 262,472.31 and 105,311.58

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Solution

The fourth proportional to 190,186.62, 262,472.31 and 105,311.58 is: 145,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,186.62 : 262,472.31 = 105,311.58 : x
  2. Step 2: Convert to fraction form
    190,186.62/262,472.31 = 105,311.58/x
  3. Step 3: Cross multiply
    190,186.62x = 262,472.31 × 105,311.58
  4. Step 4: Simplify right side
    190,186.62x = 27,641,373,672.35
  5. Step 5: Solve for x
    x = 27,641,373,672.35/190,186.62
  6. Step 6: Final answer
    x = 145,338.16

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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.