Home / 187,201.23-258,333.88-102,318.90

Finding the Fourth Proportional to 187,201.23, 258,333.88 and 102,318.90

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Solution

The fourth proportional to 187,201.23, 258,333.88 and 102,318.90 is: 141,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,201.23 : 258,333.88 = 102,318.90 : x
  2. Step 2: Convert to fraction form
    187,201.23/258,333.88 = 102,318.90/x
  3. Step 3: Cross multiply
    187,201.23x = 258,333.88 × 102,318.90
  4. Step 4: Simplify right side
    187,201.23x = 26,432,438,434.33
  5. Step 5: Solve for x
    x = 26,432,438,434.33/187,201.23
  6. Step 6: Final answer
    x = 141,198.00

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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.