Home / 659,213.23-988,732.41-185,936.71

Finding the Fourth Proportional to 659,213.23, 988,732.41 and 185,936.71

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Solution

The fourth proportional to 659,213.23, 988,732.41 and 185,936.71 is: 278,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,213.23 : 988,732.41 = 185,936.71 : x
  2. Step 2: Convert to fraction form
    659,213.23/988,732.41 = 185,936.71/x
  3. Step 3: Cross multiply
    659,213.23x = 988,732.41 × 185,936.71
  4. Step 4: Simplify right side
    659,213.23x = 183,841,651,385.77
  5. Step 5: Solve for x
    x = 183,841,651,385.77/659,213.23
  6. Step 6: Final answer
    x = 278,880.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.