Home / 302,955.20-418,061.28-166,962.56

Finding the Fourth Proportional to 302,955.20, 418,061.28 and 166,962.56

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Solution

The fourth proportional to 302,955.20, 418,061.28 and 166,962.56 is: 230,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,955.20 : 418,061.28 = 166,962.56 : x
  2. Step 2: Convert to fraction form
    302,955.20/418,061.28 = 166,962.56/x
  3. Step 3: Cross multiply
    302,955.20x = 418,061.28 × 166,962.56
  4. Step 4: Simplify right side
    302,955.20x = 69,800,581,545.68
  5. Step 5: Solve for x
    x = 69,800,581,545.68/302,955.20
  6. Step 6: Final answer
    x = 230,399.02

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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.