Home / 166,631.82-229,712.67-118,802.10

Finding the Fourth Proportional to 166,631.82, 229,712.67 and 118,802.10

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Solution

The fourth proportional to 166,631.82, 229,712.67 and 118,802.10 is: 163,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,631.82 : 229,712.67 = 118,802.10 : x
  2. Step 2: Convert to fraction form
    166,631.82/229,712.67 = 118,802.10/x
  3. Step 3: Cross multiply
    166,631.82x = 229,712.67 × 118,802.10
  4. Step 4: Simplify right side
    166,631.82x = 27,290,347,592.61
  5. Step 5: Solve for x
    x = 27,290,347,592.61/166,631.82
  6. Step 6: Final answer
    x = 163,776.33

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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.