Home / 168,561.23-252,840.11-97,438.61

Finding the Fourth Proportional to 168,561.23, 252,840.11 and 97,438.61

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Solution

The fourth proportional to 168,561.23, 252,840.11 and 97,438.61 is: 146,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,561.23 : 252,840.11 = 97,438.61 : x
  2. Step 2: Convert to fraction form
    168,561.23/252,840.11 = 97,438.61/x
  3. Step 3: Cross multiply
    168,561.23x = 252,840.11 × 97,438.61
  4. Step 4: Simplify right side
    168,561.23x = 24,636,388,870.65
  5. Step 5: Solve for x
    x = 24,636,388,870.65/168,561.23
  6. Step 6: Final answer
    x = 146,156.91

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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.