Home / 147,629.92-221,411.76-42,425.44

Finding the Fourth Proportional to 147,629.92, 221,411.76 and 42,425.44

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Solution

The fourth proportional to 147,629.92, 221,411.76 and 42,425.44 is: 63,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,629.92 : 221,411.76 = 42,425.44 : x
  2. Step 2: Convert to fraction form
    147,629.92/221,411.76 = 42,425.44/x
  3. Step 3: Cross multiply
    147,629.92x = 221,411.76 × 42,425.44
  4. Step 4: Simplify right side
    147,629.92x = 9,393,491,339.17
  5. Step 5: Solve for x
    x = 9,393,491,339.17/147,629.92
  6. Step 6: Final answer
    x = 63,628.64

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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.