Home / 187,929.06-259,344.63-103,045.92

Finding the Fourth Proportional to 187,929.06, 259,344.63 and 103,045.92

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Solution

The fourth proportional to 187,929.06, 259,344.63 and 103,045.92 is: 142,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,929.06 : 259,344.63 = 103,045.92 : x
  2. Step 2: Convert to fraction form
    187,929.06/259,344.63 = 103,045.92/x
  3. Step 3: Cross multiply
    187,929.06x = 259,344.63 × 103,045.92
  4. Step 4: Simplify right side
    187,929.06x = 26,724,405,995.41
  5. Step 5: Solve for x
    x = 26,724,405,995.41/187,929.06
  6. Step 6: Final answer
    x = 142,204.76

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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.