Home / 187,118.84-258,223.56-102,236.54

Finding the Fourth Proportional to 187,118.84, 258,223.56 and 102,236.54

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Solution

The fourth proportional to 187,118.84, 258,223.56 and 102,236.54 is: 141,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,118.84 : 258,223.56 = 102,236.54 : x
  2. Step 2: Convert to fraction form
    187,118.84/258,223.56 = 102,236.54/x
  3. Step 3: Cross multiply
    187,118.84x = 258,223.56 × 102,236.54
  4. Step 4: Simplify right side
    187,118.84x = 26,399,883,320.88
  5. Step 5: Solve for x
    x = 26,399,883,320.88/187,118.84
  6. Step 6: Final answer
    x = 141,086.19

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1.5x scale

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.