Home / 219,926.94-329,922.81-79,652.76

Finding the Fourth Proportional to 219,926.94, 329,922.81 and 79,652.76

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Solution

The fourth proportional to 219,926.94, 329,922.81 and 79,652.76 is: 119,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,926.94 : 329,922.81 = 79,652.76 : x
  2. Step 2: Convert to fraction form
    219,926.94/329,922.81 = 79,652.76/x
  3. Step 3: Cross multiply
    219,926.94x = 329,922.81 × 79,652.76
  4. Step 4: Simplify right side
    219,926.94x = 26,279,262,403.46
  5. Step 5: Solve for x
    x = 26,279,262,403.46/219,926.94
  6. Step 6: Final answer
    x = 119,490.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.