Home / 187,513.39-258,768.48-102,630.46

Finding the Fourth Proportional to 187,513.39, 258,768.48 and 102,630.46

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Solution

The fourth proportional to 187,513.39, 258,768.48 and 102,630.46 is: 141,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,513.39 : 258,768.48 = 102,630.46 : x
  2. Step 2: Convert to fraction form
    187,513.39/258,768.48 = 102,630.46/x
  3. Step 3: Cross multiply
    187,513.39x = 258,768.48 × 102,630.46
  4. Step 4: Simplify right side
    187,513.39x = 26,557,526,842.06
  5. Step 5: Solve for x
    x = 26,557,526,842.06/187,513.39
  6. Step 6: Final answer
    x = 141,630.03

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1.5x scale

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.