Home / 178,257.23-245,971.59-106,611.11

Finding the Fourth Proportional to 178,257.23, 245,971.59 and 106,611.11

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Solution

The fourth proportional to 178,257.23, 245,971.59 and 106,611.11 is: 147,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,257.23 : 245,971.59 = 106,611.11 : x
  2. Step 2: Convert to fraction form
    178,257.23/245,971.59 = 106,611.11/x
  3. Step 3: Cross multiply
    178,257.23x = 245,971.59 × 106,611.11
  4. Step 4: Simplify right side
    178,257.23x = 26,223,304,238.36
  5. Step 5: Solve for x
    x = 26,223,304,238.36/178,257.23
  6. Step 6: Final answer
    x = 147,109.34

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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.