Home / 116,554.13-160,888.23-68,171.61

Finding the Fourth Proportional to 116,554.13, 160,888.23 and 68,171.61

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Solution

The fourth proportional to 116,554.13, 160,888.23 and 68,171.61 is: 94,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,554.13 : 160,888.23 = 68,171.61 : x
  2. Step 2: Convert to fraction form
    116,554.13/160,888.23 = 68,171.61/x
  3. Step 3: Cross multiply
    116,554.13x = 160,888.23 × 68,171.61
  4. Step 4: Simplify right side
    116,554.13x = 10,968,009,669.15
  5. Step 5: Solve for x
    x = 10,968,009,669.15/116,554.13
  6. Step 6: Final answer
    x = 94,102.29

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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.