Home / 158,638.56-218,928.08-94,964.04

Finding the Fourth Proportional to 158,638.56, 218,928.08 and 94,964.04

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Solution

The fourth proportional to 158,638.56, 218,928.08 and 94,964.04 is: 131,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,638.56 : 218,928.08 = 94,964.04 : x
  2. Step 2: Convert to fraction form
    158,638.56/218,928.08 = 94,964.04/x
  3. Step 3: Cross multiply
    158,638.56x = 218,928.08 × 94,964.04
  4. Step 4: Simplify right side
    158,638.56x = 20,790,294,946.24
  5. Step 5: Solve for x
    x = 20,790,294,946.24/158,638.56
  6. Step 6: Final answer
    x = 131,054.49

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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.