Home / 133,301.89-182,977.41-117,856.20

Finding the Fourth Proportional to 133,301.89, 182,977.41 and 117,856.20

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Solution

The fourth proportional to 133,301.89, 182,977.41 and 117,856.20 is: 161,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,301.89 : 182,977.41 = 117,856.20 : x
  2. Step 2: Convert to fraction form
    133,301.89/182,977.41 = 117,856.20/x
  3. Step 3: Cross multiply
    133,301.89x = 182,977.41 × 117,856.20
  4. Step 4: Simplify right side
    133,301.89x = 21,565,022,228.44
  5. Step 5: Solve for x
    x = 21,565,022,228.44/133,301.89
  6. Step 6: Final answer
    x = 161,775.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.