Home / 100,579.38-150,653.09-94,690.88

Finding the Fourth Proportional to 100,579.38, 150,653.09 and 94,690.88

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Solution

The fourth proportional to 100,579.38, 150,653.09 and 94,690.88 is: 141,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,579.38 : 150,653.09 = 94,690.88 : x
  2. Step 2: Convert to fraction form
    100,579.38/150,653.09 = 94,690.88/x
  3. Step 3: Cross multiply
    100,579.38x = 150,653.09 × 94,690.88
  4. Step 4: Simplify right side
    100,579.38x = 14,265,472,913.55
  5. Step 5: Solve for x
    x = 14,265,472,913.55/100,579.38
  6. Step 6: Final answer
    x = 141,832.98

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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.