Home / 187,611.17-258,903.47-102,733.43

Finding the Fourth Proportional to 187,611.17, 258,903.47 and 102,733.43

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Solution

The fourth proportional to 187,611.17, 258,903.47 and 102,733.43 is: 141,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,611.17 : 258,903.47 = 102,733.43 : x
  2. Step 2: Convert to fraction form
    187,611.17/258,903.47 = 102,733.43/x
  3. Step 3: Cross multiply
    187,611.17x = 258,903.47 × 102,733.43
  4. Step 4: Simplify right side
    187,611.17x = 26,598,040,474.32
  5. Step 5: Solve for x
    x = 26,598,040,474.32/187,611.17
  6. Step 6: Final answer
    x = 141,772.16

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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.