Home / 190,405.13-262,759.08-105,527.66

Finding the Fourth Proportional to 190,405.13, 262,759.08 and 105,527.66

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Solution

The fourth proportional to 190,405.13, 262,759.08 and 105,527.66 is: 145,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,405.13 : 262,759.08 = 105,527.66 : x
  2. Step 2: Convert to fraction form
    190,405.13/262,759.08 = 105,527.66/x
  3. Step 3: Cross multiply
    190,405.13x = 262,759.08 × 105,527.66
  4. Step 4: Simplify right side
    190,405.13x = 27,728,350,856.15
  5. Step 5: Solve for x
    x = 27,728,350,856.15/190,405.13
  6. Step 6: Final answer
    x = 145,628.17

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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.