Home / 138,800.64-191,562.24-82,233.60

Finding the Fourth Proportional to 138,800.64, 191,562.24 and 82,233.60

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Solution

The fourth proportional to 138,800.64, 191,562.24 and 82,233.60 is: 113,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,800.64 : 191,562.24 = 82,233.60 : x
  2. Step 2: Convert to fraction form
    138,800.64/191,562.24 = 82,233.60/x
  3. Step 3: Cross multiply
    138,800.64x = 191,562.24 × 82,233.60
  4. Step 4: Simplify right side
    138,800.64x = 15,752,852,619.26
  5. Step 5: Solve for x
    x = 15,752,852,619.26/138,800.64
  6. Step 6: Final answer
    x = 113,492.65

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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.