Home / 131,853.36-197,785.52-38,359.12

Finding the Fourth Proportional to 131,853.36, 197,785.52 and 38,359.12

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Solution

The fourth proportional to 131,853.36, 197,785.52 and 38,359.12 is: 57,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,853.36 : 197,785.52 = 38,359.12 : x
  2. Step 2: Convert to fraction form
    131,853.36/197,785.52 = 38,359.12/x
  3. Step 3: Cross multiply
    131,853.36x = 197,785.52 × 38,359.12
  4. Step 4: Simplify right side
    131,853.36x = 7,586,878,495.94
  5. Step 5: Solve for x
    x = 7,586,878,495.94/131,853.36
  6. Step 6: Final answer
    x = 57,540.27

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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.