Home / 475,162.02-712,788.06-133,604.70

Finding the Fourth Proportional to 475,162.02, 712,788.06 and 133,604.70

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Solution

The fourth proportional to 475,162.02, 712,788.06 and 133,604.70 is: 200,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,162.02 : 712,788.06 = 133,604.70 : x
  2. Step 2: Convert to fraction form
    475,162.02/712,788.06 = 133,604.70/x
  3. Step 3: Cross multiply
    475,162.02x = 712,788.06 × 133,604.70
  4. Step 4: Simplify right side
    475,162.02x = 95,231,834,919.88
  5. Step 5: Solve for x
    x = 95,231,834,919.88/475,162.02
  6. Step 6: Final answer
    x = 200,419.71

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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.