Home / 302,255.01-417,111.93-166,286.05

Finding the Fourth Proportional to 302,255.01, 417,111.93 and 166,286.05

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Solution

The fourth proportional to 302,255.01, 417,111.93 and 166,286.05 is: 229,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,255.01 : 417,111.93 = 166,286.05 : x
  2. Step 2: Convert to fraction form
    302,255.01/417,111.93 = 166,286.05/x
  3. Step 3: Cross multiply
    302,255.01x = 417,111.93 × 166,286.05
  4. Step 4: Simplify right side
    302,255.01x = 69,359,894,204.80
  5. Step 5: Solve for x
    x = 69,359,894,204.80/302,255.01
  6. Step 6: Final answer
    x = 229,474.75

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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.