Home / 158,904.04-238,324.56-78,858.46

Finding the Fourth Proportional to 158,904.04, 238,324.56 and 78,858.46

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Solution

The fourth proportional to 158,904.04, 238,324.56 and 78,858.46 is: 118,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,904.04 : 238,324.56 = 78,858.46 : x
  2. Step 2: Convert to fraction form
    158,904.04/238,324.56 = 78,858.46/x
  3. Step 3: Cross multiply
    158,904.04x = 238,324.56 × 78,858.46
  4. Step 4: Simplify right side
    158,904.04x = 18,793,907,781.78
  5. Step 5: Solve for x
    x = 18,793,907,781.78/158,904.04
  6. Step 6: Final answer
    x = 118,272.06

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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.