Home / 187,601.07-258,838.16-120,571.95

Finding the Fourth Proportional to 187,601.07, 258,838.16 and 120,571.95

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Solution

The fourth proportional to 187,601.07, 258,838.16 and 120,571.95 is: 166,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,601.07 : 258,838.16 = 120,571.95 : x
  2. Step 2: Convert to fraction form
    187,601.07/258,838.16 = 120,571.95/x
  3. Step 3: Cross multiply
    187,601.07x = 258,838.16 × 120,571.95
  4. Step 4: Simplify right side
    187,601.07x = 31,208,621,082.75
  5. Step 5: Solve for x
    x = 31,208,621,082.75/187,601.07
  6. Step 6: Final answer
    x = 166,356.31

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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.