Home / 190,215.27-262,505.34-105,332.36

Finding the Fourth Proportional to 190,215.27, 262,505.34 and 105,332.36

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Solution

The fourth proportional to 190,215.27, 262,505.34 and 105,332.36 is: 145,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,215.27 : 262,505.34 = 105,332.36 : x
  2. Step 2: Convert to fraction form
    190,215.27/262,505.34 = 105,332.36/x
  3. Step 3: Cross multiply
    190,215.27x = 262,505.34 × 105,332.36
  4. Step 4: Simplify right side
    190,215.27x = 27,650,305,662.28
  5. Step 5: Solve for x
    x = 27,650,305,662.28/190,215.27
  6. Step 6: Final answer
    x = 145,363.23

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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.