Home / 189,527.27-261,488.36-108,925.25

Finding the Fourth Proportional to 189,527.27, 261,488.36 and 108,925.25

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Solution

The fourth proportional to 189,527.27, 261,488.36 and 108,925.25 is: 150,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,527.27 : 261,488.36 = 108,925.25 : x
  2. Step 2: Convert to fraction form
    189,527.27/261,488.36 = 108,925.25/x
  3. Step 3: Cross multiply
    189,527.27x = 261,488.36 × 108,925.25
  4. Step 4: Simplify right side
    189,527.27x = 28,482,683,949.96
  5. Step 5: Solve for x
    x = 28,482,683,949.96/189,527.27
  6. Step 6: Final answer
    x = 150,282.78

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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.