Home / 209,715.72-289,407.68-114,222.44

Finding the Fourth Proportional to 209,715.72, 289,407.68 and 114,222.44

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Solution

The fourth proportional to 209,715.72, 289,407.68 and 114,222.44 is: 157,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,715.72 : 289,407.68 = 114,222.44 : x
  2. Step 2: Convert to fraction form
    209,715.72/289,407.68 = 114,222.44/x
  3. Step 3: Cross multiply
    209,715.72x = 289,407.68 × 114,222.44
  4. Step 4: Simplify right side
    209,715.72x = 33,056,851,364.34
  5. Step 5: Solve for x
    x = 33,056,851,364.34/209,715.72
  6. Step 6: Final answer
    x = 157,626.96

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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.