Home / 187,365.26-258,566.10-102,480.50

Finding the Fourth Proportional to 187,365.26, 258,566.10 and 102,480.50

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Solution

The fourth proportional to 187,365.26, 258,566.10 and 102,480.50 is: 141,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,365.26 : 258,566.10 = 102,480.50 : x
  2. Step 2: Convert to fraction form
    187,365.26/258,566.10 = 102,480.50/x
  3. Step 3: Cross multiply
    187,365.26x = 258,566.10 × 102,480.50
  4. Step 4: Simplify right side
    187,365.26x = 26,497,983,211.05
  5. Step 5: Solve for x
    x = 26,497,983,211.05/187,365.26
  6. Step 6: Final answer
    x = 141,424.21

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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.