Home / 194,691.06-291,934.80-87,983.28

Finding the Fourth Proportional to 194,691.06, 291,934.80 and 87,983.28

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Solution

The fourth proportional to 194,691.06, 291,934.80 and 87,983.28 is: 131,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,691.06 : 291,934.80 = 87,983.28 : x
  2. Step 2: Convert to fraction form
    194,691.06/291,934.80 = 87,983.28/x
  3. Step 3: Cross multiply
    194,691.06x = 291,934.80 × 87,983.28
  4. Step 4: Simplify right side
    194,691.06x = 25,685,381,250.14
  5. Step 5: Solve for x
    x = 25,685,381,250.14/194,691.06
  6. Step 6: Final answer
    x = 131,928.92

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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.