Home / 190,352.56-262,686.53-105,469.62

Finding the Fourth Proportional to 190,352.56, 262,686.53 and 105,469.62

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Solution

The fourth proportional to 190,352.56, 262,686.53 and 105,469.62 is: 145,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,352.56 : 262,686.53 = 105,469.62 : x
  2. Step 2: Convert to fraction form
    190,352.56/262,686.53 = 105,469.62/x
  3. Step 3: Cross multiply
    190,352.56x = 262,686.53 × 105,469.62
  4. Step 4: Simplify right side
    190,352.56x = 27,705,448,498.22
  5. Step 5: Solve for x
    x = 27,705,448,498.22/190,352.56
  6. Step 6: Final answer
    x = 145,548.07

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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.