Home / 187,300.20-258,453.06-110,821.64

Finding the Fourth Proportional to 187,300.20, 258,453.06 and 110,821.64

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Solution

The fourth proportional to 187,300.20, 258,453.06 and 110,821.64 is: 152,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,300.20 : 258,453.06 = 110,821.64 : x
  2. Step 2: Convert to fraction form
    187,300.20/258,453.06 = 110,821.64/x
  3. Step 3: Cross multiply
    187,300.20x = 258,453.06 × 110,821.64
  4. Step 4: Simplify right side
    187,300.20x = 28,642,191,972.22
  5. Step 5: Solve for x
    x = 28,642,191,972.22/187,300.20
  6. Step 6: Final answer
    x = 152,921.31

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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.