Home / 190,213.36-262,502.75-105,330.43

Finding the Fourth Proportional to 190,213.36, 262,502.75 and 105,330.43

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Solution

The fourth proportional to 190,213.36, 262,502.75 and 105,330.43 is: 145,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,213.36 : 262,502.75 = 105,330.43 : x
  2. Step 2: Convert to fraction form
    190,213.36/262,502.75 = 105,330.43/x
  3. Step 3: Cross multiply
    190,213.36x = 262,502.75 × 105,330.43
  4. Step 4: Simplify right side
    190,213.36x = 27,649,527,533.68
  5. Step 5: Solve for x
    x = 27,649,527,533.68/190,213.36
  6. Step 6: Final answer
    x = 145,360.60

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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.