Home / 190,615.13-263,049.14-105,732.19

Finding the Fourth Proportional to 190,615.13, 263,049.14 and 105,732.19

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Solution

The fourth proportional to 190,615.13, 263,049.14 and 105,732.19 is: 145,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,615.13 : 263,049.14 = 105,732.19 : x
  2. Step 2: Convert to fraction form
    190,615.13/263,049.14 = 105,732.19/x
  3. Step 3: Cross multiply
    190,615.13x = 263,049.14 × 105,732.19
  4. Step 4: Simplify right side
    190,615.13x = 27,812,761,649.82
  5. Step 5: Solve for x
    x = 27,812,761,649.82/190,615.13
  6. Step 6: Final answer
    x = 145,910.57

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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.