Home / 209,764.70-289,472.68-114,269.35

Finding the Fourth Proportional to 209,764.70, 289,472.68 and 114,269.35

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Solution

The fourth proportional to 209,764.70, 289,472.68 and 114,269.35 is: 157,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,764.70 : 289,472.68 = 114,269.35 : x
  2. Step 2: Convert to fraction form
    209,764.70/289,472.68 = 114,269.35/x
  3. Step 3: Cross multiply
    209,764.70x = 289,472.68 × 114,269.35
  4. Step 4: Simplify right side
    209,764.70x = 33,077,853,977.00
  5. Step 5: Solve for x
    x = 33,077,853,977.00/209,764.70
  6. Step 6: Final answer
    x = 157,690.28

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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.