Home / 113,716.26-156,926.70-65,977.83

Finding the Fourth Proportional to 113,716.26, 156,926.70 and 65,977.83

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Solution

The fourth proportional to 113,716.26, 156,926.70 and 65,977.83 is: 91,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,716.26 : 156,926.70 = 65,977.83 : x
  2. Step 2: Convert to fraction form
    113,716.26/156,926.70 = 65,977.83/x
  3. Step 3: Cross multiply
    113,716.26x = 156,926.70 × 65,977.83
  4. Step 4: Simplify right side
    113,716.26x = 10,353,683,135.06
  5. Step 5: Solve for x
    x = 10,353,683,135.06/113,716.26
  6. Step 6: Final answer
    x = 91,048.40

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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.