Home / 302,245.22-417,158.04-173,270.31

Finding the Fourth Proportional to 302,245.22, 417,158.04 and 173,270.31

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Solution

The fourth proportional to 302,245.22, 417,158.04 and 173,270.31 is: 239,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,245.22 : 417,158.04 = 173,270.31 : x
  2. Step 2: Convert to fraction form
    302,245.22/417,158.04 = 173,270.31/x
  3. Step 3: Cross multiply
    302,245.22x = 417,158.04 × 173,270.31
  4. Step 4: Simplify right side
    302,245.22x = 72,281,099,957.65
  5. Step 5: Solve for x
    x = 72,281,099,957.65/302,245.22
  6. Step 6: Final answer
    x = 239,147.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.