Home / 161,763-223,206.68-93,766.71

Finding the Fourth Proportional to 161,763, 223,206.68 and 93,766.71

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Solution

The fourth proportional to 161,763, 223,206.68 and 93,766.71 is: 129,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,763 : 223,206.68 = 93,766.71 : x
  2. Step 2: Convert to fraction form
    161,763/223,206.68 = 93,766.71/x
  3. Step 3: Cross multiply
    161,763x = 223,206.68 × 93,766.71
  4. Step 4: Simplify right side
    161,763x = 20,929,356,033.62
  5. Step 5: Solve for x
    x = 20,929,356,033.62/161,763
  6. Step 6: Final answer
    x = 129,382.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.