Home / 667,981.08-1,001,956.97-162,545.40

Finding the Fourth Proportional to 667,981.08, 1,001,956.97 and 162,545.40

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Solution

The fourth proportional to 667,981.08, 1,001,956.97 and 162,545.40 is: 243,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,981.08 : 1,001,956.97 = 162,545.40 : x
  2. Step 2: Convert to fraction form
    667,981.08/1,001,956.97 = 162,545.40/x
  3. Step 3: Cross multiply
    667,981.08x = 1,001,956.97 × 162,545.40
  4. Step 4: Simplify right side
    667,981.08x = 162,863,496,877.80
  5. Step 5: Solve for x
    x = 162,863,496,877.80/667,981.08
  6. Step 6: Final answer
    x = 243,814.54

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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.