Home / 128,836.26-193,275.08-40,110.27

Finding the Fourth Proportional to 128,836.26, 193,275.08 and 40,110.27

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Solution

The fourth proportional to 128,836.26, 193,275.08 and 40,110.27 is: 60,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,836.26 : 193,275.08 = 40,110.27 : x
  2. Step 2: Convert to fraction form
    128,836.26/193,275.08 = 40,110.27/x
  3. Step 3: Cross multiply
    128,836.26x = 193,275.08 × 40,110.27
  4. Step 4: Simplify right side
    128,836.26x = 7,752,315,442.52
  5. Step 5: Solve for x
    x = 7,752,315,442.52/128,836.26
  6. Step 6: Final answer
    x = 60,171.84

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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.