Home / 166,471.22-229,730.29-91,019.72

Finding the Fourth Proportional to 166,471.22, 229,730.29 and 91,019.72

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Solution

The fourth proportional to 166,471.22, 229,730.29 and 91,019.72 is: 125,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,471.22 : 229,730.29 = 91,019.72 : x
  2. Step 2: Convert to fraction form
    166,471.22/229,730.29 = 91,019.72/x
  3. Step 3: Cross multiply
    166,471.22x = 229,730.29 × 91,019.72
  4. Step 4: Simplify right side
    166,471.22x = 20,909,987,018.10
  5. Step 5: Solve for x
    x = 20,909,987,018.10/166,471.22
  6. Step 6: Final answer
    x = 125,607.22

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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.