Home / 146,563.40-219,746.55-57,771.20

Finding the Fourth Proportional to 146,563.40, 219,746.55 and 57,771.20

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Solution

The fourth proportional to 146,563.40, 219,746.55 and 57,771.20 is: 86,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,563.40 : 219,746.55 = 57,771.20 : x
  2. Step 2: Convert to fraction form
    146,563.40/219,746.55 = 57,771.20/x
  3. Step 3: Cross multiply
    146,563.40x = 219,746.55 × 57,771.20
  4. Step 4: Simplify right side
    146,563.40x = 12,695,021,889.36
  5. Step 5: Solve for x
    x = 12,695,021,889.36/146,563.40
  6. Step 6: Final answer
    x = 86,617.95

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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.