Home / 187,671.84-258,977.44-102,772.52

Finding the Fourth Proportional to 187,671.84, 258,977.44 and 102,772.52

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Solution

The fourth proportional to 187,671.84, 258,977.44 and 102,772.52 is: 141,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,671.84 : 258,977.44 = 102,772.52 : x
  2. Step 2: Convert to fraction form
    187,671.84/258,977.44 = 102,772.52/x
  3. Step 3: Cross multiply
    187,671.84x = 258,977.44 × 102,772.52
  4. Step 4: Simplify right side
    187,671.84x = 26,615,764,131.95
  5. Step 5: Solve for x
    x = 26,615,764,131.95/187,671.84
  6. Step 6: Final answer
    x = 141,820.77

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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.