Home / 112,367.07-168,433.97-53,157.69

Finding the Fourth Proportional to 112,367.07, 168,433.97 and 53,157.69

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Solution

The fourth proportional to 112,367.07, 168,433.97 and 53,157.69 is: 79,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,367.07 : 168,433.97 = 53,157.69 : x
  2. Step 2: Convert to fraction form
    112,367.07/168,433.97 = 53,157.69/x
  3. Step 3: Cross multiply
    112,367.07x = 168,433.97 × 53,157.69
  4. Step 4: Simplify right side
    112,367.07x = 8,953,560,496.94
  5. Step 5: Solve for x
    x = 8,953,560,496.94/112,367.07
  6. Step 6: Final answer
    x = 79,681.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.