Home / 187,343.34-258,564.42-139,264.62

Finding the Fourth Proportional to 187,343.34, 258,564.42 and 139,264.62

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Solution

The fourth proportional to 187,343.34, 258,564.42 and 139,264.62 is: 192,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,343.34 : 258,564.42 = 139,264.62 : x
  2. Step 2: Convert to fraction form
    187,343.34/258,564.42 = 139,264.62/x
  3. Step 3: Cross multiply
    187,343.34x = 258,564.42 × 139,264.62
  4. Step 4: Simplify right side
    187,343.34x = 36,008,875,696.82
  5. Step 5: Solve for x
    x = 36,008,875,696.82/187,343.34
  6. Step 6: Final answer
    x = 192,207.93

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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.