Home / 158,631.68-218,836.26-94,957.17

Finding the Fourth Proportional to 158,631.68, 218,836.26 and 94,957.17

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Solution

The fourth proportional to 158,631.68, 218,836.26 and 94,957.17 is: 130,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,631.68 : 218,836.26 = 94,957.17 : x
  2. Step 2: Convert to fraction form
    158,631.68/218,836.26 = 94,957.17/x
  3. Step 3: Cross multiply
    158,631.68x = 218,836.26 × 94,957.17
  4. Step 4: Simplify right side
    158,631.68x = 20,780,071,942.98
  5. Step 5: Solve for x
    x = 20,780,071,942.98/158,631.68
  6. Step 6: Final answer
    x = 130,995.73

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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.