Home / 189,476.72-282,568.18-186,934.34

Finding the Fourth Proportional to 189,476.72, 282,568.18 and 186,934.34

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Solution

The fourth proportional to 189,476.72, 282,568.18 and 186,934.34 is: 278,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,476.72 : 282,568.18 = 186,934.34 : x
  2. Step 2: Convert to fraction form
    189,476.72/282,568.18 = 186,934.34/x
  3. Step 3: Cross multiply
    189,476.72x = 282,568.18 × 186,934.34
  4. Step 4: Simplify right side
    189,476.72x = 52,821,696,233.30
  5. Step 5: Solve for x
    x = 52,821,696,233.30/189,476.72
  6. Step 6: Final answer
    x = 278,776.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.