Home / 190,182.82-262,460.49-105,299.88

Finding the Fourth Proportional to 190,182.82, 262,460.49 and 105,299.88

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Solution

The fourth proportional to 190,182.82, 262,460.49 and 105,299.88 is: 145,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,182.82 : 262,460.49 = 105,299.88 : x
  2. Step 2: Convert to fraction form
    190,182.82/262,460.49 = 105,299.88/x
  3. Step 3: Cross multiply
    190,182.82x = 262,460.49 × 105,299.88
  4. Step 4: Simplify right side
    190,182.82x = 27,637,058,101.74
  5. Step 5: Solve for x
    x = 27,637,058,101.74/190,182.82
  6. Step 6: Final answer
    x = 145,318.37

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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.