Home / 190,243.66-262,535.71-105,360.73

Finding the Fourth Proportional to 190,243.66, 262,535.71 and 105,360.73

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Solution

The fourth proportional to 190,243.66, 262,535.71 and 105,360.73 is: 145,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,243.66 : 262,535.71 = 105,360.73 : x
  2. Step 2: Convert to fraction form
    190,243.66/262,535.71 = 105,360.73/x
  3. Step 3: Cross multiply
    190,243.66x = 262,535.71 × 105,360.73
  4. Step 4: Simplify right side
    190,243.66x = 27,660,954,056.67
  5. Step 5: Solve for x
    x = 27,660,954,056.67/190,243.66
  6. Step 6: Final answer
    x = 145,397.51

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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.