Home / 146,283.16-219,379.74-76,124.20

Finding the Fourth Proportional to 146,283.16, 219,379.74 and 76,124.20

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Solution

The fourth proportional to 146,283.16, 219,379.74 and 76,124.20 is: 114,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,283.16 : 219,379.74 = 76,124.20 : x
  2. Step 2: Convert to fraction form
    146,283.16/219,379.74 = 76,124.20/x
  3. Step 3: Cross multiply
    146,283.16x = 219,379.74 × 76,124.20
  4. Step 4: Simplify right side
    146,283.16x = 16,700,107,203.71
  5. Step 5: Solve for x
    x = 16,700,107,203.71/146,283.16
  6. Step 6: Final answer
    x = 114,162.88

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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.