Home / 219,621.70-329,541.90-124,924.60

Finding the Fourth Proportional to 219,621.70, 329,541.90 and 124,924.60

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Solution

The fourth proportional to 219,621.70, 329,541.90 and 124,924.60 is: 187,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,621.70 : 329,541.90 = 124,924.60 : x
  2. Step 2: Convert to fraction form
    219,621.70/329,541.90 = 124,924.60/x
  3. Step 3: Cross multiply
    219,621.70x = 329,541.90 × 124,924.60
  4. Step 4: Simplify right side
    219,621.70x = 41,167,890,040.74
  5. Step 5: Solve for x
    x = 41,167,890,040.74/219,621.70
  6. Step 6: Final answer
    x = 187,449.10

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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.