Home / 175,640.77-263,461.83-42,520.82

Finding the Fourth Proportional to 175,640.77, 263,461.83 and 42,520.82

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Solution

The fourth proportional to 175,640.77, 263,461.83 and 42,520.82 is: 63,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,640.77 : 263,461.83 = 42,520.82 : x
  2. Step 2: Convert to fraction form
    175,640.77/263,461.83 = 42,520.82/x
  3. Step 3: Cross multiply
    175,640.77x = 263,461.83 × 42,520.82
  4. Step 4: Simplify right side
    175,640.77x = 11,202,611,732.99
  5. Step 5: Solve for x
    x = 11,202,611,732.99/175,640.77
  6. Step 6: Final answer
    x = 63,781.39

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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.