Home / 187,063.63-258,154.16-102,186.16

Finding the Fourth Proportional to 187,063.63, 258,154.16 and 102,186.16

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Solution

The fourth proportional to 187,063.63, 258,154.16 and 102,186.16 is: 141,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,063.63 : 258,154.16 = 102,186.16 : x
  2. Step 2: Convert to fraction form
    187,063.63/258,154.16 = 102,186.16/x
  3. Step 3: Cross multiply
    187,063.63x = 258,154.16 × 102,186.16
  4. Step 4: Simplify right side
    187,063.63x = 26,379,781,142.11
  5. Step 5: Solve for x
    x = 26,379,781,142.11/187,063.63
  6. Step 6: Final answer
    x = 141,020.37

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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.