Home / 190,543.56-262,951.54-130,112.66

Finding the Fourth Proportional to 190,543.56, 262,951.54 and 130,112.66

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Solution

The fourth proportional to 190,543.56, 262,951.54 and 130,112.66 is: 179,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,543.56 : 262,951.54 = 130,112.66 : x
  2. Step 2: Convert to fraction form
    190,543.56/262,951.54 = 130,112.66/x
  3. Step 3: Cross multiply
    190,543.56x = 262,951.54 × 130,112.66
  4. Step 4: Simplify right side
    190,543.56x = 34,213,324,320.50
  5. Step 5: Solve for x
    x = 34,213,324,320.50/190,543.56
  6. Step 6: Final answer
    x = 179,556.45

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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.