Home / 220,904.37-304,833.53-130,255.95

Finding the Fourth Proportional to 220,904.37, 304,833.53 and 130,255.95

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Solution

The fourth proportional to 220,904.37, 304,833.53 and 130,255.95 is: 179,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,904.37 : 304,833.53 = 130,255.95 : x
  2. Step 2: Convert to fraction form
    220,904.37/304,833.53 = 130,255.95/x
  3. Step 3: Cross multiply
    220,904.37x = 304,833.53 × 130,255.95
  4. Step 4: Simplify right side
    220,904.37x = 39,706,381,042.00
  5. Step 5: Solve for x
    x = 39,706,381,042.00/220,904.37
  6. Step 6: Final answer
    x = 179,744.66

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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.