Home / 190,777.87-263,260.29-105,888.25

Finding the Fourth Proportional to 190,777.87, 263,260.29 and 105,888.25

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Solution

The fourth proportional to 190,777.87, 263,260.29 and 105,888.25 is: 146,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,777.87 : 263,260.29 = 105,888.25 : x
  2. Step 2: Convert to fraction form
    190,777.87/263,260.29 = 105,888.25/x
  3. Step 3: Cross multiply
    190,777.87x = 263,260.29 × 105,888.25
  4. Step 4: Simplify right side
    190,777.87x = 27,876,171,402.59
  5. Step 5: Solve for x
    x = 27,876,171,402.59/190,777.87
  6. Step 6: Final answer
    x = 146,118.47

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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.