Home / 187,141.59-258,270.12-106,572.51

Finding the Fourth Proportional to 187,141.59, 258,270.12 and 106,572.51

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Solution

The fourth proportional to 187,141.59, 258,270.12 and 106,572.51 is: 147,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,141.59 : 258,270.12 = 106,572.51 : x
  2. Step 2: Convert to fraction form
    187,141.59/258,270.12 = 106,572.51/x
  3. Step 3: Cross multiply
    187,141.59x = 258,270.12 × 106,572.51
  4. Step 4: Simplify right side
    187,141.59x = 27,524,494,946.40
  5. Step 5: Solve for x
    x = 27,524,494,946.40/187,141.59
  6. Step 6: Final answer
    x = 147,078.45

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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.