Home / 207,657.82-286,677.96-166,372.72

Finding the Fourth Proportional to 207,657.82, 286,677.96 and 166,372.72

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Solution

The fourth proportional to 207,657.82, 286,677.96 and 166,372.72 is: 229,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,657.82 : 286,677.96 = 166,372.72 : x
  2. Step 2: Convert to fraction form
    207,657.82/286,677.96 = 166,372.72/x
  3. Step 3: Cross multiply
    207,657.82x = 286,677.96 × 166,372.72
  4. Step 4: Simplify right side
    207,657.82x = 47,695,391,969.25
  5. Step 5: Solve for x
    x = 47,695,391,969.25/207,657.82
  6. Step 6: Final answer
    x = 229,682.62

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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.