Home / 117,234.63-161,781.66-66,246.25

Finding the Fourth Proportional to 117,234.63, 161,781.66 and 66,246.25

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Solution

The fourth proportional to 117,234.63, 161,781.66 and 66,246.25 is: 91,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,234.63 : 161,781.66 = 66,246.25 : x
  2. Step 2: Convert to fraction form
    117,234.63/161,781.66 = 66,246.25/x
  3. Step 3: Cross multiply
    117,234.63x = 161,781.66 × 66,246.25
  4. Step 4: Simplify right side
    117,234.63x = 10,717,428,293.78
  5. Step 5: Solve for x
    x = 10,717,428,293.78/117,234.63
  6. Step 6: Final answer
    x = 91,418.62

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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.