Home / 146,260.40-219,397.80-76,276.40

Finding the Fourth Proportional to 146,260.40, 219,397.80 and 76,276.40

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Solution

The fourth proportional to 146,260.40, 219,397.80 and 76,276.40 is: 114,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,260.40 : 219,397.80 = 76,276.40 : x
  2. Step 2: Convert to fraction form
    146,260.40/219,397.80 = 76,276.40/x
  3. Step 3: Cross multiply
    146,260.40x = 219,397.80 × 76,276.40
  4. Step 4: Simplify right side
    146,260.40x = 16,734,874,351.92
  5. Step 5: Solve for x
    x = 16,734,874,351.92/146,260.40
  6. Step 6: Final answer
    x = 114,418.35

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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.