Home / 190,777.43-263,259.69-105,887.81

Finding the Fourth Proportional to 190,777.43, 263,259.69 and 105,887.81

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Solution

The fourth proportional to 190,777.43, 263,259.69 and 105,887.81 is: 146,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,777.43 : 263,259.69 = 105,887.81 : x
  2. Step 2: Convert to fraction form
    190,777.43/263,259.69 = 105,887.81/x
  3. Step 3: Cross multiply
    190,777.43x = 263,259.69 × 105,887.81
  4. Step 4: Simplify right side
    190,777.43x = 27,875,992,296.45
  5. Step 5: Solve for x
    x = 27,875,992,296.45/190,777.43
  6. Step 6: Final answer
    x = 146,117.87

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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.