Home / 119,837.67-165,369.54-66,112.17

Finding the Fourth Proportional to 119,837.67, 165,369.54 and 66,112.17

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Solution

The fourth proportional to 119,837.67, 165,369.54 and 66,112.17 is: 91,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,837.67 : 165,369.54 = 66,112.17 : x
  2. Step 2: Convert to fraction form
    119,837.67/165,369.54 = 66,112.17/x
  3. Step 3: Cross multiply
    119,837.67x = 165,369.54 × 66,112.17
  4. Step 4: Simplify right side
    119,837.67x = 10,932,939,141.30
  5. Step 5: Solve for x
    x = 10,932,939,141.30/119,837.67
  6. Step 6: Final answer
    x = 91,231.24

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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.