Home / 209,688.75-289,373.57-114,195.22

Finding the Fourth Proportional to 209,688.75, 289,373.57 and 114,195.22

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Solution

The fourth proportional to 209,688.75, 289,373.57 and 114,195.22 is: 157,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,688.75 : 289,373.57 = 114,195.22 : x
  2. Step 2: Convert to fraction form
    209,688.75/289,373.57 = 114,195.22/x
  3. Step 3: Cross multiply
    209,688.75x = 289,373.57 × 114,195.22
  4. Step 4: Simplify right side
    209,688.75x = 33,045,078,488.34
  5. Step 5: Solve for x
    x = 33,045,078,488.34/209,688.75
  6. Step 6: Final answer
    x = 157,591.09

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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.