Home / 117,171.33-161,695.58-63,455.10

Finding the Fourth Proportional to 117,171.33, 161,695.58 and 63,455.10

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Solution

The fourth proportional to 117,171.33, 161,695.58 and 63,455.10 is: 87,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,171.33 : 161,695.58 = 63,455.10 : x
  2. Step 2: Convert to fraction form
    117,171.33/161,695.58 = 63,455.10/x
  3. Step 3: Cross multiply
    117,171.33x = 161,695.58 × 63,455.10
  4. Step 4: Simplify right side
    117,171.33x = 10,260,409,198.46
  5. Step 5: Solve for x
    x = 10,260,409,198.46/117,171.33
  6. Step 6: Final answer
    x = 87,567.57

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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.