Home / 119,927.68-165,499.14-66,211.55

Finding the Fourth Proportional to 119,927.68, 165,499.14 and 66,211.55

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Solution

The fourth proportional to 119,927.68, 165,499.14 and 66,211.55 is: 91,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,927.68 : 165,499.14 = 66,211.55 : x
  2. Step 2: Convert to fraction form
    119,927.68/165,499.14 = 66,211.55/x
  3. Step 3: Cross multiply
    119,927.68x = 165,499.14 × 66,211.55
  4. Step 4: Simplify right side
    119,927.68x = 10,957,954,996.81
  5. Step 5: Solve for x
    x = 10,957,954,996.81/119,927.68
  6. Step 6: Final answer
    x = 91,371.36

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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.