Home / 189,596.04-261,760.88-120,724.36

Finding the Fourth Proportional to 189,596.04, 261,760.88 and 120,724.36

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Solution

The fourth proportional to 189,596.04, 261,760.88 and 120,724.36 is: 166,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,596.04 : 261,760.88 = 120,724.36 : x
  2. Step 2: Convert to fraction form
    189,596.04/261,760.88 = 120,724.36/x
  3. Step 3: Cross multiply
    189,596.04x = 261,760.88 × 120,724.36
  4. Step 4: Simplify right side
    189,596.04x = 31,600,914,711.04
  5. Step 5: Solve for x
    x = 31,600,914,711.04/189,596.04
  6. Step 6: Final answer
    x = 166,674.97

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1.5x scale

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.