Home / 435,500.46-653,250.38-136,006.70

Finding the Fourth Proportional to 435,500.46, 653,250.38 and 136,006.70

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Solution

The fourth proportional to 435,500.46, 653,250.38 and 136,006.70 is: 204,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,500.46 : 653,250.38 = 136,006.70 : x
  2. Step 2: Convert to fraction form
    435,500.46/653,250.38 = 136,006.70/x
  3. Step 3: Cross multiply
    435,500.46x = 653,250.38 × 136,006.70
  4. Step 4: Simplify right side
    435,500.46x = 88,846,424,511.26
  5. Step 5: Solve for x
    x = 88,846,424,511.26/435,500.46
  6. Step 6: Final answer
    x = 204,009.94

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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.