Home / 302,821.35-417,887.96-166,867.85

Finding the Fourth Proportional to 302,821.35, 417,887.96 and 166,867.85

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Solution

The fourth proportional to 302,821.35, 417,887.96 and 166,867.85 is: 230,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,821.35 : 417,887.96 = 166,867.85 : x
  2. Step 2: Convert to fraction form
    302,821.35/417,887.96 = 166,867.85/x
  3. Step 3: Cross multiply
    302,821.35x = 417,887.96 × 166,867.85
  4. Step 4: Simplify right side
    302,821.35x = 69,732,062,502.31
  5. Step 5: Solve for x
    x = 69,732,062,502.31/302,821.35
  6. Step 6: Final answer
    x = 230,274.59

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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.