Home / 119,926.64-165,499.02-66,211.76

Finding the Fourth Proportional to 119,926.64, 165,499.02 and 66,211.76

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Solution

The fourth proportional to 119,926.64, 165,499.02 and 66,211.76 is: 91,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,926.64 : 165,499.02 = 66,211.76 : x
  2. Step 2: Convert to fraction form
    119,926.64/165,499.02 = 66,211.76/x
  3. Step 3: Cross multiply
    119,926.64x = 165,499.02 × 66,211.76
  4. Step 4: Simplify right side
    119,926.64x = 10,957,981,392.48
  5. Step 5: Solve for x
    x = 10,957,981,392.48/119,926.64
  6. Step 6: Final answer
    x = 91,372.37

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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.