Home / 187,353.18-258,531.69-105,676.92

Finding the Fourth Proportional to 187,353.18, 258,531.69 and 105,676.92

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Solution

The fourth proportional to 187,353.18, 258,531.69 and 105,676.92 is: 145,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,353.18 : 258,531.69 = 105,676.92 : x
  2. Step 2: Convert to fraction form
    187,353.18/258,531.69 = 105,676.92/x
  3. Step 3: Cross multiply
    187,353.18x = 258,531.69 × 105,676.92
  4. Step 4: Simplify right side
    187,353.18x = 27,320,832,721.59
  5. Step 5: Solve for x
    x = 27,320,832,721.59/187,353.18
  6. Step 6: Final answer
    x = 145,825.29

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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.