Home / 187,415.03-258,632.46-102,532.09

Finding the Fourth Proportional to 187,415.03, 258,632.46 and 102,532.09

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Solution

The fourth proportional to 187,415.03, 258,632.46 and 102,532.09 is: 141,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,415.03 : 258,632.46 = 102,532.09 : x
  2. Step 2: Convert to fraction form
    187,415.03/258,632.46 = 102,532.09/x
  3. Step 3: Cross multiply
    187,415.03x = 258,632.46 × 102,532.09
  4. Step 4: Simplify right side
    187,415.03x = 26,518,126,665.64
  5. Step 5: Solve for x
    x = 26,518,126,665.64/187,415.03
  6. Step 6: Final answer
    x = 141,494.13

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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.