Home / 190,261.50-284,953.42-136,619.79

Finding the Fourth Proportional to 190,261.50, 284,953.42 and 136,619.79

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Solution

The fourth proportional to 190,261.50, 284,953.42 and 136,619.79 is: 204,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,261.50 : 284,953.42 = 136,619.79 : x
  2. Step 2: Convert to fraction form
    190,261.50/284,953.42 = 136,619.79/x
  3. Step 3: Cross multiply
    190,261.50x = 284,953.42 × 136,619.79
  4. Step 4: Simplify right side
    190,261.50x = 38,930,276,400.18
  5. Step 5: Solve for x
    x = 38,930,276,400.18/190,261.50
  6. Step 6: Final answer
    x = 204,614.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.