Home / 190,273.42-262,556.13-105,369.22

Finding the Fourth Proportional to 190,273.42, 262,556.13 and 105,369.22

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Solution

The fourth proportional to 190,273.42, 262,556.13 and 105,369.22 is: 145,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,273.42 : 262,556.13 = 105,369.22 : x
  2. Step 2: Convert to fraction form
    190,273.42/262,556.13 = 105,369.22/x
  3. Step 3: Cross multiply
    190,273.42x = 262,556.13 × 105,369.22
  4. Step 4: Simplify right side
    190,273.42x = 27,665,334,624.32
  5. Step 5: Solve for x
    x = 27,665,334,624.32/190,273.42
  6. Step 6: Final answer
    x = 145,397.79

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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.