Home / 146,985.10-220,149.60-113,596.90

Finding the Fourth Proportional to 146,985.10, 220,149.60 and 113,596.90

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Solution

The fourth proportional to 146,985.10, 220,149.60 and 113,596.90 is: 170,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,985.10 : 220,149.60 = 113,596.90 : x
  2. Step 2: Convert to fraction form
    146,985.10/220,149.60 = 113,596.90/x
  3. Step 3: Cross multiply
    146,985.10x = 220,149.60 × 113,596.90
  4. Step 4: Simplify right side
    146,985.10x = 25,008,312,096.24
  5. Step 5: Solve for x
    x = 25,008,312,096.24/146,985.10
  6. Step 6: Final answer
    x = 170,141.82

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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.