Home / 187,192.17-258,321.36-102,309.84

Finding the Fourth Proportional to 187,192.17, 258,321.36 and 102,309.84

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Solution

The fourth proportional to 187,192.17, 258,321.36 and 102,309.84 is: 141,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,192.17 : 258,321.36 = 102,309.84 : x
  2. Step 2: Convert to fraction form
    187,192.17/258,321.36 = 102,309.84/x
  3. Step 3: Cross multiply
    187,192.17x = 258,321.36 × 102,309.84
  4. Step 4: Simplify right side
    187,192.17x = 26,428,817,010.18
  5. Step 5: Solve for x
    x = 26,428,817,010.18/187,192.17
  6. Step 6: Final answer
    x = 141,185.48

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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.