Home / 187,433.73-258,610.32-105,773.85

Finding the Fourth Proportional to 187,433.73, 258,610.32 and 105,773.85

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Solution

The fourth proportional to 187,433.73, 258,610.32 and 105,773.85 is: 145,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,433.73 : 258,610.32 = 105,773.85 : x
  2. Step 2: Convert to fraction form
    187,433.73/258,610.32 = 105,773.85/x
  3. Step 3: Cross multiply
    187,433.73x = 258,610.32 × 105,773.85
  4. Step 4: Simplify right side
    187,433.73x = 27,354,209,196.13
  5. Step 5: Solve for x
    x = 27,354,209,196.13/187,433.73
  6. Step 6: Final answer
    x = 145,940.70

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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.