Home / 119,805.40-165,331.09-66,096.33

Finding the Fourth Proportional to 119,805.40, 165,331.09 and 66,096.33

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Solution

The fourth proportional to 119,805.40, 165,331.09 and 66,096.33 is: 91,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,805.40 : 165,331.09 = 66,096.33 : x
  2. Step 2: Convert to fraction form
    119,805.40/165,331.09 = 66,096.33/x
  3. Step 3: Cross multiply
    119,805.40x = 165,331.09 × 66,096.33
  4. Step 4: Simplify right side
    119,805.40x = 10,927,778,283.90
  5. Step 5: Solve for x
    x = 10,927,778,283.90/119,805.40
  6. Step 6: Final answer
    x = 91,212.74

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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.