Home / 116,980.08-161,433.48-66,682.32

Finding the Fourth Proportional to 116,980.08, 161,433.48 and 66,682.32

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Solution

The fourth proportional to 116,980.08, 161,433.48 and 66,682.32 is: 92,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,980.08 : 161,433.48 = 66,682.32 : x
  2. Step 2: Convert to fraction form
    116,980.08/161,433.48 = 66,682.32/x
  3. Step 3: Cross multiply
    116,980.08x = 161,433.48 × 66,682.32
  4. Step 4: Simplify right side
    116,980.08x = 10,764,758,972.07
  5. Step 5: Solve for x
    x = 10,764,758,972.07/116,980.08
  6. Step 6: Final answer
    x = 92,022.15

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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.