Home / 164,961.04-247,392.20-86,032.21

Finding the Fourth Proportional to 164,961.04, 247,392.20 and 86,032.21

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Solution

The fourth proportional to 164,961.04, 247,392.20 and 86,032.21 is: 129,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,961.04 : 247,392.20 = 86,032.21 : x
  2. Step 2: Convert to fraction form
    164,961.04/247,392.20 = 86,032.21/x
  3. Step 3: Cross multiply
    164,961.04x = 247,392.20 × 86,032.21
  4. Step 4: Simplify right side
    164,961.04x = 21,283,696,654.12
  5. Step 5: Solve for x
    x = 21,283,696,654.12/164,961.04
  6. Step 6: Final answer
    x = 129,022.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.