Home / 117,866.26-162,658.86-64,154.75

Finding the Fourth Proportional to 117,866.26, 162,658.86 and 64,154.75

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Solution

The fourth proportional to 117,866.26, 162,658.86 and 64,154.75 is: 88,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,866.26 : 162,658.86 = 64,154.75 : x
  2. Step 2: Convert to fraction form
    117,866.26/162,658.86 = 64,154.75/x
  3. Step 3: Cross multiply
    117,866.26x = 162,658.86 × 64,154.75
  4. Step 4: Simplify right side
    117,866.26x = 10,435,338,498.59
  5. Step 5: Solve for x
    x = 10,435,338,498.59/117,866.26
  6. Step 6: Final answer
    x = 88,535.42

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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.