Home / 187,456.63-258,690.14-102,573.69

Finding the Fourth Proportional to 187,456.63, 258,690.14 and 102,573.69

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Solution

The fourth proportional to 187,456.63, 258,690.14 and 102,573.69 is: 141,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,456.63 : 258,690.14 = 102,573.69 : x
  2. Step 2: Convert to fraction form
    187,456.63/258,690.14 = 102,573.69/x
  3. Step 3: Cross multiply
    187,456.63x = 258,690.14 × 102,573.69
  4. Step 4: Simplify right side
    187,456.63x = 26,534,802,226.42
  5. Step 5: Solve for x
    x = 26,534,802,226.42/187,456.63
  6. Step 6: Final answer
    x = 141,551.69

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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.