Home / 158,729.40-238,102.74-47,918.52

Finding the Fourth Proportional to 158,729.40, 238,102.74 and 47,918.52

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Solution

The fourth proportional to 158,729.40, 238,102.74 and 47,918.52 is: 71,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,729.40 : 238,102.74 = 47,918.52 : x
  2. Step 2: Convert to fraction form
    158,729.40/238,102.74 = 47,918.52/x
  3. Step 3: Cross multiply
    158,729.40x = 238,102.74 × 47,918.52
  4. Step 4: Simplify right side
    158,729.40x = 11,409,530,908.74
  5. Step 5: Solve for x
    x = 11,409,530,908.74/158,729.40
  6. Step 6: Final answer
    x = 71,880.39

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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.