Home / 209,441.84-289,136.76-161,587.76

Finding the Fourth Proportional to 209,441.84, 289,136.76 and 161,587.76

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Solution

The fourth proportional to 209,441.84, 289,136.76 and 161,587.76 is: 223,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,441.84 : 289,136.76 = 161,587.76 : x
  2. Step 2: Convert to fraction form
    209,441.84/289,136.76 = 161,587.76/x
  3. Step 3: Cross multiply
    209,441.84x = 289,136.76 × 161,587.76
  4. Step 4: Simplify right side
    209,441.84x = 46,720,961,382.06
  5. Step 5: Solve for x
    x = 46,720,961,382.06/209,441.84
  6. Step 6: Final answer
    x = 223,073.68

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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.