Home / 187,430.43-258,660.44-102,547.49

Finding the Fourth Proportional to 187,430.43, 258,660.44 and 102,547.49

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Solution

The fourth proportional to 187,430.43, 258,660.44 and 102,547.49 is: 141,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,430.43 : 258,660.44 = 102,547.49 : x
  2. Step 2: Convert to fraction form
    187,430.43/258,660.44 = 102,547.49/x
  3. Step 3: Cross multiply
    187,430.43x = 258,660.44 × 102,547.49
  4. Step 4: Simplify right side
    187,430.43x = 26,524,978,884.30
  5. Step 5: Solve for x
    x = 26,524,978,884.30/187,430.43
  6. Step 6: Final answer
    x = 141,519.06

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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.