Home / 146,358.88-219,387.64-57,576.40

Finding the Fourth Proportional to 146,358.88, 219,387.64 and 57,576.40

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Solution

The fourth proportional to 146,358.88, 219,387.64 and 57,576.40 is: 86,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,358.88 : 219,387.64 = 57,576.40 : x
  2. Step 2: Convert to fraction form
    146,358.88/219,387.64 = 57,576.40/x
  3. Step 3: Cross multiply
    146,358.88x = 219,387.64 × 57,576.40
  4. Step 4: Simplify right side
    146,358.88x = 12,631,550,515.70
  5. Step 5: Solve for x
    x = 12,631,550,515.70/146,358.88
  6. Step 6: Final answer
    x = 86,305.32

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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.