Home / 190,224.45-262,502.78-109,655.37

Finding the Fourth Proportional to 190,224.45, 262,502.78 and 109,655.37

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Solution

The fourth proportional to 190,224.45, 262,502.78 and 109,655.37 is: 151,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,224.45 : 262,502.78 = 109,655.37 : x
  2. Step 2: Convert to fraction form
    190,224.45/262,502.78 = 109,655.37/x
  3. Step 3: Cross multiply
    190,224.45x = 262,502.78 × 109,655.37
  4. Step 4: Simplify right side
    190,224.45x = 28,784,838,918.65
  5. Step 5: Solve for x
    x = 28,784,838,918.65/190,224.45
  6. Step 6: Final answer
    x = 151,320.40

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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.