Home / 187,429.51-258,656.52-102,548.41

Finding the Fourth Proportional to 187,429.51, 258,656.52 and 102,548.41

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Solution

The fourth proportional to 187,429.51, 258,656.52 and 102,548.41 is: 141,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,429.51 : 258,656.52 = 102,548.41 : x
  2. Step 2: Convert to fraction form
    187,429.51/258,656.52 = 102,548.41/x
  3. Step 3: Cross multiply
    187,429.51x = 258,656.52 × 102,548.41
  4. Step 4: Simplify right side
    187,429.51x = 26,524,814,862.13
  5. Step 5: Solve for x
    x = 26,524,814,862.13/187,429.51
  6. Step 6: Final answer
    x = 141,518.88

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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.