Home / 187,905.07-259,309.83-101,865.52

Finding the Fourth Proportional to 187,905.07, 259,309.83 and 101,865.52

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Solution

The fourth proportional to 187,905.07, 259,309.83 and 101,865.52 is: 140,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,905.07 : 259,309.83 = 101,865.52 : x
  2. Step 2: Convert to fraction form
    187,905.07/259,309.83 = 101,865.52/x
  3. Step 3: Cross multiply
    187,905.07x = 259,309.83 × 101,865.52
  4. Step 4: Simplify right side
    187,905.07x = 26,414,730,674.06
  5. Step 5: Solve for x
    x = 26,414,730,674.06/187,905.07
  6. Step 6: Final answer
    x = 140,574.87

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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.