Home / 146,890.80-220,271.40-58,114.80

Finding the Fourth Proportional to 146,890.80, 220,271.40 and 58,114.80

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Solution

The fourth proportional to 146,890.80, 220,271.40 and 58,114.80 is: 87,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,890.80 : 220,271.40 = 58,114.80 : x
  2. Step 2: Convert to fraction form
    146,890.80/220,271.40 = 58,114.80/x
  3. Step 3: Cross multiply
    146,890.80x = 220,271.40 × 58,114.80
  4. Step 4: Simplify right side
    146,890.80x = 12,801,028,356.72
  5. Step 5: Solve for x
    x = 12,801,028,356.72/146,890.80
  6. Step 6: Final answer
    x = 87,146.56

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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.