Home / 166,292.16-229,478.36-90,840.66

Finding the Fourth Proportional to 166,292.16, 229,478.36 and 90,840.66

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Solution

The fourth proportional to 166,292.16, 229,478.36 and 90,840.66 is: 125,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,292.16 : 229,478.36 = 90,840.66 : x
  2. Step 2: Convert to fraction form
    166,292.16/229,478.36 = 90,840.66/x
  3. Step 3: Cross multiply
    166,292.16x = 229,478.36 × 90,840.66
  4. Step 4: Simplify right side
    166,292.16x = 20,845,965,678.12
  5. Step 5: Solve for x
    x = 20,845,965,678.12/166,292.16
  6. Step 6: Final answer
    x = 125,357.48

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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.