Home / 190,404.13-262,757.70-105,526.66

Finding the Fourth Proportional to 190,404.13, 262,757.70 and 105,526.66

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Solution

The fourth proportional to 190,404.13, 262,757.70 and 105,526.66 is: 145,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,404.13 : 262,757.70 = 105,526.66 : x
  2. Step 2: Convert to fraction form
    190,404.13/262,757.70 = 105,526.66/x
  3. Step 3: Cross multiply
    190,404.13x = 262,757.70 × 105,526.66
  4. Step 4: Simplify right side
    190,404.13x = 27,727,942,470.28
  5. Step 5: Solve for x
    x = 27,727,942,470.28/190,404.13
  6. Step 6: Final answer
    x = 145,626.79

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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.