Home / 236,116.94-325,839.30-128,686.95

Finding the Fourth Proportional to 236,116.94, 325,839.30 and 128,686.95

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Solution

The fourth proportional to 236,116.94, 325,839.30 and 128,686.95 is: 177,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,116.94 : 325,839.30 = 128,686.95 : x
  2. Step 2: Convert to fraction form
    236,116.94/325,839.30 = 128,686.95/x
  3. Step 3: Cross multiply
    236,116.94x = 325,839.30 × 128,686.95
  4. Step 4: Simplify right side
    236,116.94x = 41,931,265,707.14
  5. Step 5: Solve for x
    x = 41,931,265,707.14/236,116.94
  6. Step 6: Final answer
    x = 177,586.86

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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.