Home / 219,411.64-329,049.38-79,151.96

Finding the Fourth Proportional to 219,411.64, 329,049.38 and 79,151.96

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Solution

The fourth proportional to 219,411.64, 329,049.38 and 79,151.96 is: 118,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,411.64 : 329,049.38 = 79,151.96 : x
  2. Step 2: Convert to fraction form
    219,411.64/329,049.38 = 79,151.96/x
  3. Step 3: Cross multiply
    219,411.64x = 329,049.38 × 79,151.96
  4. Step 4: Simplify right side
    219,411.64x = 26,044,903,363.78
  5. Step 5: Solve for x
    x = 26,044,903,363.78/219,411.64
  6. Step 6: Final answer
    x = 118,703.38

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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.