Home / 219,844.45-329,790.57-70,049.53

Finding the Fourth Proportional to 219,844.45, 329,790.57 and 70,049.53

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Solution

The fourth proportional to 219,844.45, 329,790.57 and 70,049.53 is: 105,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,844.45 : 329,790.57 = 70,049.53 : x
  2. Step 2: Convert to fraction form
    219,844.45/329,790.57 = 70,049.53/x
  3. Step 3: Cross multiply
    219,844.45x = 329,790.57 × 70,049.53
  4. Step 4: Simplify right side
    219,844.45x = 23,101,673,602.46
  5. Step 5: Solve for x
    x = 23,101,673,602.46/219,844.45
  6. Step 6: Final answer
    x = 105,081.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.