Home / 187,461.56-258,696.97-102,578.63

Finding the Fourth Proportional to 187,461.56, 258,696.97 and 102,578.63

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Solution

The fourth proportional to 187,461.56, 258,696.97 and 102,578.63 is: 141,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,461.56 : 258,696.97 = 102,578.63 : x
  2. Step 2: Convert to fraction form
    187,461.56/258,696.97 = 102,578.63/x
  3. Step 3: Cross multiply
    187,461.56x = 258,696.97 × 102,578.63
  4. Step 4: Simplify right side
    187,461.56x = 26,536,779,217.82
  5. Step 5: Solve for x
    x = 26,536,779,217.82/187,461.56
  6. Step 6: Final answer
    x = 141,558.51

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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.