Home / 219,176.46-328,951.17-86,149.62

Finding the Fourth Proportional to 219,176.46, 328,951.17 and 86,149.62

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Solution

The fourth proportional to 219,176.46, 328,951.17 and 86,149.62 is: 129,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,176.46 : 328,951.17 = 86,149.62 : x
  2. Step 2: Convert to fraction form
    219,176.46/328,951.17 = 86,149.62/x
  3. Step 3: Cross multiply
    219,176.46x = 328,951.17 × 86,149.62
  4. Step 4: Simplify right side
    219,176.46x = 28,339,018,294.06
  5. Step 5: Solve for x
    x = 28,339,018,294.06/219,176.46
  6. Step 6: Final answer
    x = 129,297.73

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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.