Home / 166,630.16-229,949.77-91,178.66

Finding the Fourth Proportional to 166,630.16, 229,949.77 and 91,178.66

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Solution

The fourth proportional to 166,630.16, 229,949.77 and 91,178.66 is: 125,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,630.16 : 229,949.77 = 91,178.66 : x
  2. Step 2: Convert to fraction form
    166,630.16/229,949.77 = 91,178.66/x
  3. Step 3: Cross multiply
    166,630.16x = 229,949.77 × 91,178.66
  4. Step 4: Simplify right side
    166,630.16x = 20,966,510,746.16
  5. Step 5: Solve for x
    x = 20,966,510,746.16/166,630.16
  6. Step 6: Final answer
    x = 125,826.63

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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.