Home / 194,511.58-291,767.67-128,247.71

Finding the Fourth Proportional to 194,511.58, 291,767.67 and 128,247.71

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Solution

The fourth proportional to 194,511.58, 291,767.67 and 128,247.71 is: 192,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,511.58 : 291,767.67 = 128,247.71 : x
  2. Step 2: Convert to fraction form
    194,511.58/291,767.67 = 128,247.71/x
  3. Step 3: Cross multiply
    194,511.58x = 291,767.67 × 128,247.71
  4. Step 4: Simplify right side
    194,511.58x = 37,418,534,070.70
  5. Step 5: Solve for x
    x = 37,418,534,070.70/194,511.58
  6. Step 6: Final answer
    x = 192,371.76

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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.