Home / 220,925.97-304,917.53-130,276.50

Finding the Fourth Proportional to 220,925.97, 304,917.53 and 130,276.50

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Solution

The fourth proportional to 220,925.97, 304,917.53 and 130,276.50 is: 179,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,925.97 : 304,917.53 = 130,276.50 : x
  2. Step 2: Convert to fraction form
    220,925.97/304,917.53 = 130,276.50/x
  3. Step 3: Cross multiply
    220,925.97x = 304,917.53 × 130,276.50
  4. Step 4: Simplify right side
    220,925.97x = 39,723,587,945.66
  5. Step 5: Solve for x
    x = 39,723,587,945.66/220,925.97
  6. Step 6: Final answer
    x = 179,804.97

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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.