Home / 166,139.60-229,264.64-94,512.88

Finding the Fourth Proportional to 166,139.60, 229,264.64 and 94,512.88

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Solution

The fourth proportional to 166,139.60, 229,264.64 and 94,512.88 is: 130,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,139.60 : 229,264.64 = 94,512.88 : x
  2. Step 2: Convert to fraction form
    166,139.60/229,264.64 = 94,512.88/x
  3. Step 3: Cross multiply
    166,139.60x = 229,264.64 × 94,512.88
  4. Step 4: Simplify right side
    166,139.60x = 21,668,461,408.56
  5. Step 5: Solve for x
    x = 21,668,461,408.56/166,139.60
  6. Step 6: Final answer
    x = 130,423.22

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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.