Home / 187,342.75-258,533.20-102,460.02

Finding the Fourth Proportional to 187,342.75, 258,533.20 and 102,460.02

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Solution

The fourth proportional to 187,342.75, 258,533.20 and 102,460.02 is: 141,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,342.75 : 258,533.20 = 102,460.02 : x
  2. Step 2: Convert to fraction form
    187,342.75/258,533.20 = 102,460.02/x
  3. Step 3: Cross multiply
    187,342.75x = 258,533.20 × 102,460.02
  4. Step 4: Simplify right side
    187,342.75x = 26,489,316,842.66
  5. Step 5: Solve for x
    x = 26,489,316,842.66/187,342.75
  6. Step 6: Final answer
    x = 141,394.94

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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.