Home / 116,515.14-160,789.35-65,527.85

Finding the Fourth Proportional to 116,515.14, 160,789.35 and 65,527.85

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Solution

The fourth proportional to 116,515.14, 160,789.35 and 65,527.85 is: 90,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,515.14 : 160,789.35 = 65,527.85 : x
  2. Step 2: Convert to fraction form
    116,515.14/160,789.35 = 65,527.85/x
  3. Step 3: Cross multiply
    116,515.14x = 160,789.35 × 65,527.85
  4. Step 4: Simplify right side
    116,515.14x = 10,536,180,408.40
  5. Step 5: Solve for x
    x = 10,536,180,408.40/116,515.14
  6. Step 6: Final answer
    x = 90,427.57

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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.