Home / 302,913.66-418,003.79-166,947.19

Finding the Fourth Proportional to 302,913.66, 418,003.79 and 166,947.19

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Solution

The fourth proportional to 302,913.66, 418,003.79 and 166,947.19 is: 230,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,913.66 : 418,003.79 = 166,947.19 : x
  2. Step 2: Convert to fraction form
    302,913.66/418,003.79 = 166,947.19/x
  3. Step 3: Cross multiply
    302,913.66x = 418,003.79 × 166,947.19
  4. Step 4: Simplify right side
    302,913.66x = 69,784,558,149.85
  5. Step 5: Solve for x
    x = 69,784,558,149.85/302,913.66
  6. Step 6: Final answer
    x = 230,377.72

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1.5x scale

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.