Home / 220,734.94-304,624.22-130,094.72

Finding the Fourth Proportional to 220,734.94, 304,624.22 and 130,094.72

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Solution

The fourth proportional to 220,734.94, 304,624.22 and 130,094.72 is: 179,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,734.94 : 304,624.22 = 130,094.72 : x
  2. Step 2: Convert to fraction form
    220,734.94/304,624.22 = 130,094.72/x
  3. Step 3: Cross multiply
    220,734.94x = 304,624.22 × 130,094.72
  4. Step 4: Simplify right side
    220,734.94x = 39,630,002,717.21
  5. Step 5: Solve for x
    x = 39,630,002,717.21/220,734.94
  6. Step 6: Final answer
    x = 179,536.61

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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.