Home / 187,127.48-258,235.70-101,086.44

Finding the Fourth Proportional to 187,127.48, 258,235.70 and 101,086.44

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Solution

The fourth proportional to 187,127.48, 258,235.70 and 101,086.44 is: 139,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,127.48 : 258,235.70 = 101,086.44 : x
  2. Step 2: Convert to fraction form
    187,127.48/258,235.70 = 101,086.44/x
  3. Step 3: Cross multiply
    187,127.48x = 258,235.70 × 101,086.44
  4. Step 4: Simplify right side
    187,127.48x = 26,104,127,088.48
  5. Step 5: Solve for x
    x = 26,104,127,088.48/187,127.48
  6. Step 6: Final answer
    x = 139,499.17

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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.