Home / 194,390.40-291,585.60-82,197.30

Finding the Fourth Proportional to 194,390.40, 291,585.60 and 82,197.30

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Solution

The fourth proportional to 194,390.40, 291,585.60 and 82,197.30 is: 123,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,390.40 : 291,585.60 = 82,197.30 : x
  2. Step 2: Convert to fraction form
    194,390.40/291,585.60 = 82,197.30/x
  3. Step 3: Cross multiply
    194,390.40x = 291,585.60 × 82,197.30
  4. Step 4: Simplify right side
    194,390.40x = 23,967,549,038.88
  5. Step 5: Solve for x
    x = 23,967,549,038.88/194,390.40
  6. Step 6: Final answer
    x = 123,295.95

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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.